Technology graph

Tree of useful things

Built from generated/tech-graph.json. Pages are nodes; explicit frontmatter relations are edges. Red rings are declared-missing prerequisites that need a page request.

  • 247 pages
  • 1210 edges
  • 40 missing prereqs
  • 0 errors
  • 97 warnings

Pannable map

Civilization-style tech tree

100%
Legend
hard / materialknowledge / testsoft / optional
Stone Age 20 nodes Neolithic / Bronze 4 nodes Ancient foundations 157 nodes Classical 15 nodes Medieval 1 nodes Industrial 50 nodes Missing / unknown 40 nodes
material Water caution The workshop supply chain for finding, carrying, settling, storing, and judging usable water for clay, ink, paper, glue, washing, and tests. 0 in 49 out tool Lever allowed A rigid bar used around a fulcrum to trade distance for force in lifting, prying, pressing, and control mechanisms. 0 in 12 out tool Stone hammer caution A selected stone used to strike, break, peen, wedge, crush, rough-shape, and test materials before specialized metal hammers exist. 0 in 13 out knowledge Counting allowed A shared method for keeping track of number, order, quantity, and repeated work. 0 in 36 out process Firekeeping caution The practical discipline of starting, feeding, observing, containing, banking, extinguishing, and teaching controlled fire for workshop use. 2 in 47 out test Water settling test allowed A simple separation and recognition test that uses water and time to compare clay, silt, sand, grit, fiber, and other suspended solids. 2 in 18 out material Abrasive grit caution Hard granular material selected, sorted, and used to scrape, smooth, sharpen, polish, and test surfaces. 2 in 11 out material Bone and antler caution Hard animal materials shaped into points, wedges, handles, needles, bearings, toggles, scrapers, and small tool parts. 2 in 8 out tool Cutting edge caution A sharpened stone, bone, shell, wood, or metal edge used for cutting, scraping, trimming, marking, and shaping workshop materials. 5 in 62 out material Cordage fiber allowed Plant or animal fiber selected, extracted, cleaned, and bundled for rope, thread, lashings, nets, basketry, and weaving. 2 in 26 out material Timber caution Felled and selected wood prepared as a structural material for frames, handles, axles, wheels, benches, jigs, and buildings. 2 in 19 out tool Hand drill caution A hand-powered boring tool for making holes in wood, bone, leather, clay, shell, and soft stone. 5 in 8 out process Basketry allowed The craft of weaving flexible plant, bark, root, reed, or fiber materials into containers, frames, strainers, traps, and lightweight structures. 2 in 12 out process Timber seasoning allowed The controlled drying and sorting of timber so wooden parts shrink less, warp less, and hold joints more predictably. 4 in 6 out material Clay allowed Fine mineral sediment that can be shaped wet and hardened by drying or firing for vessels, bricks, molds, tablets, and kiln structures. 5 in 45 out material Leather caution Preserved animal hide prepared as flexible sheet, strap, hinge, gasket, bearing cover, bucket, bellows part, and protective material. 3 in 15 out process Rope making allowed The process of preparing fibers and laying them into cord, line, or rope with enough consistency for tying, hauling, and lifting tests. 7 in 3 out tool Rope allowed Twisted or braided fibers that carry tension for hauling, lifting, tying, measuring, and transmitting force. 5 in 14 out material Ceramic temper caution Non-plastic additions such as sand, grog, shell, grit, or fiber blended with clay to control shrinkage, cracking, workability, and fired behavior. 6 in 1 out process Woodworking caution The practical craft of selecting, shaping, joining, boring, smoothing, and repairing wood for tools, frames, wheels, fixtures, and buildings. 11 in 58 out material Flax fiber allowed Long bast fiber from flax stems, prepared for thread, cordage, woven cloth, fine lashings, and composite workshop uses. 2 in 3 out tool Spindle allowed A rotating shaft and optional whorl used to twist fiber into thread or yarn for cordage, weaving, stitching, and bindings. 5 in 13 out process Weaving allowed The organized interlacing of thread, yarn, fiber, or strips into cloth, straps, screens, bags, belts, and technical fabrics. 4 in 6 out test Kiln firing test caution A comparative test practice for judging clay bodies, temper, kiln placement, fuel behavior, and finished ceramic quality without relying on guesswork. 4 in 19 out measurement Measuring rod allowed A stable marked length standard used to transfer dimensions, compare parts, lay out work, and teach repeatable construction. 2 in 40 out material Stone allowed Hard natural rock selected by fracture, grain, shape, and durability for tools, weights, hearths, grinding, building, and test pieces. 4 in 34 out material Wood ash caution Alkaline mineral residue from clean wood fires used cautiously for cleaning, flux-like experiments, pigment adjustment, and soil or clay trials. 4 in 0 out measurement Abacus allowed Abacus is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out measurement Angle Gauge allowed Angle Gauge is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out measurement Balance Scale allowed Balance Scale is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out measurement Field Survey allowed Field Survey is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out measurement Land Boundary Marker allowed Land Boundary Marker is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out measurement Seasonal Calendar allowed Seasonal Calendar is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 4 out measurement Tally Stick allowed Tally Stick is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out measurement Volume Measure allowed Volume Measure is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out measurement Sighting Frame caution Sighting Frame is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Chalk allowed Soft white limestone material used for marking, whitening, fillers, mild abrasive work, and lime-related supply chains. 4 in 2 out material Ochre allowed Iron-rich earth pigment selected, washed, and ground for marking, paint, ink color, surface coding, and teaching samples. 4 in 0 out material Flint caution A fine-grained knappable stone prized for sharp flakes, scrapers, points, strike tools, and early precision edges. 4 in 0 out tool Mortar and pestle caution A paired crushing and grinding tool for pigments, grog, grain, resin, herbs, and small mineral batches. 4 in 2 out test Scratch hardness test caution A comparative test that ranks minerals, edges, and surfaces by which material can scratch another. 4 in 30 out material Glass Sand allowed Glass Sand is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Gravel allowed Gravel is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Sand allowed Sand is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Sandstone allowed Sandstone is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Bog Iron caution Bog Iron is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Copper Ore caution Copper Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Iron Ore caution Iron Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out material Lead Ore caution Lead Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out material Lime material caution Calcium-rich stone, shell, or chalk recognized as a precursor for plasters, mortars, washes, and alkaline workshop materials. 4 in 0 out material Limestone caution Limestone is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Potash caution Potash is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Shell Lime caution Shell Lime is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Tin Ore caution Tin Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Quern caution A hand grinding stone system for grain, pigments, grog, minerals, and other repeatable small-batch grinding. 4 in 0 out material Reed allowed Straight hollow or pithy wetland stems used for mats, thatch, pens, tubes, floats, baskets, and light frames. 4 in 0 out material Rush allowed Flexible wetland stems used for cord, mats, basketry, wicks, packing, seating, and light tying work. 4 in 0 out material Willow allowed Fast-growing flexible wood and rods used for basketry, hurdles, ties, charcoal feedstock, and light frames. 4 in 0 out material Resin caution Sticky tree exudate gathered, cleaned, and used for sealants, adhesives, waterproofing, torch fuel, and compound repairs. 4 in 2 out material Shell caution Hard marine or freshwater shell used for scraping, inlay, lime feedstock, containers, beads, and small tools. 4 in 0 out tool Awl caution A pointed hand tool for piercing leather, fiber, bark, thin wood, and layout marks before stitching or pegging. 4 in 2 out tool Chisel caution A driven or pushed edge tool for cutting recesses, trimming joints, cleaning holes, and shaping hard materials. 4 in 2 out tool Scraper caution A controlled edge used to remove thin material from hide, wood, bone, clay, and surfaces needing cleanup. 4 in 0 out material Bark allowed Bark is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Bark Fiber allowed Bark Fiber is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Birch Bark allowed Birch Bark is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Hardwood allowed Hardwood is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Softwood allowed Softwood is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Wool allowed Crimped animal fiber prepared for spinning, felting, padding, insulation, straps, cloth, and thread. 4 in 0 out material Pitch caution A sticky waterproofing and adhesive material made from resinous sources and used to seal, bind, and protect workshop objects. 4 in 0 out tool Axe caution A hafted chopping edge used for felling, rough timber conversion, splitting, shaping, and emergency demolition. 4 in 2 out tool Needle caution A slender piercing and carrying tool for sewing leather, cloth, bark, skins, and bindings. 4 in 0 out tool Saw caution A toothed cutting tool that removes repeated small bites to divide wood, bone, horn, or other workable materials. 4 in 2 out process Mortise and tenon caution An interlocking wood joint where a projecting tenon fits a matching cavity for stronger frames and repeatable structures. 4 in 0 out tool Sieve allowed A perforated or woven separator used to grade grain, sand, grit, grog, fiber, clay inclusions, and other particles. 4 in 2 out measurement Straightedge allowed A stable reference edge used to detect bends, guide marks, compare surfaces, and teach straightness. 4 in 4 out material Hemp Fiber allowed Hemp Fiber is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Linen Thread allowed Linen Thread is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Nettle Fiber allowed Nettle Fiber is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Wool Yarn allowed Wool Yarn is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Charcoal caution Carbon-rich fuel made by heating wood with limited air, useful where cleaner, hotter, lighter, or more predictable fuel is needed. 4 in 36 out process Spinning allowed The process of drawing and twisting fibers into continuous thread or yarn for weaving, sewing, tying, and records. 4 in 0 out test Shrinkage test allowed A marked-sample test for observing how clay, hide, fiber, and wood change size during drying or processing. 4 in 0 out test Sieve grading allowed A particle sorting test that separates grit, grog, grain, sand, and fibers into more repeatable working grades. 4 in 0 out material Carbon Black allowed Carbon Black is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Soot allowed Soot is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Peat caution Peat is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Anvil Stone allowed Anvil Stone is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 10 out tool Loom allowed A frame or weighted setup that holds threads in order and under tension while cloth or bands are woven. 6 in 2 out tool Bellows caution Bellows is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Bloomery Furnace caution Bloomery Furnace is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Casting Mold caution Casting Mold is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Charcoal Hearth caution Charcoal Hearth is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Crucible caution Crucible is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Forge Hearth caution Forge Hearth is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Tongs caution Tongs is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Tuyere caution Tuyere is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Annealing caution Annealing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out process Lost Wax Casting caution Lost Wax Casting is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Wire Drawing caution Wire Drawing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 10 out artifact Clay tablet records allowed Durable written records impressed into clay for batches, tallies, drawings, ownership, and teaching notes. 4 in 0 out test Smoke observation caution A disciplined visual and smell-based observation practice for judging fuel, draft, dampness, and incomplete burning without over-specifying fire settings. 4 in 0 out material Flaxseed Oil allowed Flaxseed Oil is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out material Milk Casein allowed Milk Casein is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Oak Gall allowed Oak Gall is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Plant Dye allowed Plant Dye is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Starch Paste allowed Starch Paste is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Tannin Bark allowed Tannin Bark is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Vinegar allowed Vinegar is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Animal Fat caution Animal Fat is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out material Beeswax caution Moldable wax from beekeeping or honey harvest used for seals, patterns, lubrication, waterproofing, and tablets. 4 in 0 out material Hoof caution Hoof is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Horn caution Horn is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Horn Glue caution Horn Glue is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Rawhide caution Rawhide is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Tallow caution Tallow is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Heddle allowed Loops, rods, or eyes that separate selected warp threads so weaving sheds can be repeated quickly. 4 in 0 out artifact Latch allowed Latch is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Chain caution Chain is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Hinge caution Hinge is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Nail caution Nail is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Rivet caution Rivet is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out institution Apprenticeship allowed A social technology for transmitting workshop habits, safety norms, quality standards, tool care, and tacit craft knowledge across workers and generations. 2 in 5 out institution Batch labeling allowed A simple recordkeeping practice that attaches names, marks, or symbols to material lots, tests, failures, and trusted samples. 4 in 2 out institution Crop Rotation allowed Crop Rotation is a practical social practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out institution Public safety allowed Shared norms for keeping dangerous, dirty, or confusing work away from bystanders, food, water, children, and public paths. 4 in 8 out institution Seed Selection allowed Seed Selection is a practical social practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out test Moisture Test allowed Moisture Test is a practical quality test for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out test Proof Load Test caution Proof Load Test is a practical quality test for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 6 out process Dyeing caution Dyeing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Soap caution Soap is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Tanning caution Tanning is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out institution Workshop organization allowed A social technology that assigns roles, space, storage, tool care, safety rules, and quality checks inside a productive workshop. 4 in 10 out tool Kiln caution A heat-retaining enclosure for firing clay, drying materials, making lime, and later supporting higher-temperature workshop processes. 8 in 4 out tool Saw pit caution A team cutting arrangement that lets long timber be sawn into boards or blanks using gravity, staging, and coordinated labor. 4 in 0 out process Drainage Ditch allowed Drainage Ditch is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Road Building caution Road Building is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out artifact Bridge Trestle caution Bridge Trestle is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out test Tensile test caution A controlled pull test for comparing rope, fiber, thread, straps, joints, and other materials that fail in tension. 4 in 13 out material Sinew caution Tough animal tendon fiber prepared for binding, sewing, bowing, lashings, and composite repairs. 4 in 0 out material Brick Clay allowed Brick Clay is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Clay Slip allowed Clay Slip is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Grog caution Crushed fired clay or sherd material reused as ceramic temper for controlling shrinkage, cracking, and texture. 4 in 1 out material Mortar caution Mortar is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Plaster caution Plaster is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Loom weights allowed Weights that tension warp threads on simple looms, usually made from fired clay, stone, or reused dense objects. 4 in 0 out artifact Storage jar allowed A container for keeping water, grain, pigment, fiber, ash, glue, oil, and labeled workshop samples controlled. 4 in 10 out artifact Fired Brick caution Fired Brick is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Roof Tile caution Roof Tile is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Brine allowed Brine is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out material Salt allowed Salt is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Plumb line allowed A cord and weight used to find vertical, align posts, check walls, mark centers, and teach gravity-based reference lines. 4 in 2 out process Threshing allowed Threshing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Winnowing allowed Winnowing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Granary allowed Granary is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out knowledge Knot tying allowed A practical body of tying patterns for fastening, joining, adjusting, lifting, nets, lashings, and temporary fixtures. 4 in 4 out process Net making allowed The construction of repeated open mesh from cordage for carrying, fishing, drying, trapping, sorting, and storage. 4 in 0 out process Lashing caution The binding of parts with cord, fiber, leather, or sinew so frames and tools can be assembled without rigid fasteners. 4 in 14 out tool Animal Harness allowed Animal Harness is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Drying rack allowed A raised ventilated support for drying timber, clay pieces, fibers, paper sheets, hides, and test samples. 4 in 0 out tool Shuttle allowed A hand tool that carries weft thread through a shed, improving speed, order, and thread protection. 4 in 0 out tool Yoke allowed Yoke is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Adze caution A transverse cutting tool used for hewing, hollowing, flattening, and shaping wood surfaces. 4 in 0 out tool Clamp caution A holding device or tied arrangement that keeps work still while cutting, drilling, gluing, drying, or assembly happens. 4 in 0 out tool Hoe caution Hoe is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Plow caution Plow is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Shovel caution Shovel is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Sickle caution Sickle is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out tool Workbench caution A stable raised work surface with stops, holes, pegs, or tiedowns for safer repeatable craft work. 4 in 4 out process Brickmaking caution Brickmaking is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Coopering caution Coopering is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Peg joint caution A joint held by shaped pegs through aligned holes, useful for knockdown frames, wheels, handles, and repairs. 4 in 0 out process Plastering caution Plastering is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Thatching caution Thatching is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Tile Making caution Tile Making is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out process Wattle and Daub caution Wattle and Daub is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Hurdle allowed Hurdle is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Sled allowed Sled is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out artifact Barrel caution Barrel is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 2 out artifact Bucket caution Bucket is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks. 4 in 0 out measurement Level trough allowed A water-based level reference used to compare heights, set posts, transfer grades, and teach horizontal reference. 4 in 0 out material Hide glue caution Reversible collagen glue made from animal scrap, useful for woodworking, bindings, repairs, sizing, and temporary fixtures. 4 in 2 out tool Try-square allowed A right-angle checking and marking tool used to make frames, boxes, wheels, benches, and drawings more repeatable. 4 in 4 out knowledge Writing allowed A durable symbol system and teaching practice for records, labels, instructions, measurements, and plans. 3 in 18 out institution Sanitation norms allowed Shared rules for separating waste, drinking water, food handling, washing, burial, drainage, and sickness response. 4 in 3 out institution Workshop records allowed A recordkeeping practice for batches, sources, tests, tools, dimensions, failures, and trusted procedures. 4 in 36 out measurement Standard weights allowed Agreed reference masses used to compare materials, loads, trade quantities, tests, and batch records. 7 in 16 out material Paper allowed A thin sheet made from interlocked fibers, useful for records, drawings, labels, patterns, teaching, and administrative memory. 12 in 2 out material Ink allowed A mark-making fluid or paste that carries pigment or dye onto paper, parchment, wood, clay labels, or other record surfaces. 7 in 2 out test Alignment checking allowed A workshop test practice for checking whether wheels, shafts, frames, holes, and guide surfaces point where they should. 6 in 22 out artifact Wheel and axle allowed A rotating round member fixed to a central shaft, useful for carts, pulleys, windlasses, potter's wheels, and later transport systems. 7 in 14 out tool Pulley caution A grooved wheel or roller that guides rope, changes force direction, and can combine with other pulleys for lifting advantage. 10 in 1 out artifact Plain bearing allowed A low-friction rubbing surface or sleeve that lets a shaft turn or pivot with controlled wear. 8 in 18 out artifact Spoked wheel caution A wheel built from hub, spokes, and rim so it can stay large while using less material than a solid disk. 8 in 5 out tool Potter's wheel allowed A rotating work platform that lets a potter shape clay symmetrically with steady hand pressure. 9 in 0 out artifact Cart caution A wheeled load carrier that combines wheels, axle support, frame, load bed, pulling method, and maintenance habits. 10 in 3 out knowledge Technical drawing allowed A shared drawing practice for communicating shape, size, parts, assembly, and revisions before or during construction. 12 in 24 out artifact Ignition coil caution An electromagnetic winding assembly that turns low-voltage pulses into higher-voltage ignition pulses. 4 in 4 out institution Quality-control records allowed A recordkeeping practice that connects batches, inspections, defects, repairs, and design changes across a workshop or factory. 8 in 22 out material Mild steel allowed Low-carbon steel that is tough, workable, weldable or rivetable, and central to industrial machine and vehicle production. 7 in 6 out material Vulcanized rubber caution Chemically treated natural rubber that resists heat, cold, tearing, and deformation better than raw rubber. 5 in 2 out artifact Band brake caution A flexible friction band that tightens around a drum to slow a shaft, wheel, or transmission member. 7 in 4 out artifact Lead-acid battery caution A rechargeable storage battery using lead plates and acid electrolyte, included here as a high-level prerequisite for vehicle electrical systems. 6 in 0 out test Go/no-go gauge allowed A fixed inspection tool with accepting and rejecting sides that quickly sorts parts by whether they fall within useful limits. 8 in 26 out artifact Chassis frame allowed A rigid vehicle foundation that keeps axles, engine, body, and controls aligned under road loads. 7 in 4 out material Petroleum caution Naturally occurring crude oil that becomes a family of fuels, lubricants, waxes, and industrial feedstocks after controlled processing. 6 in 6 out tool Drill press caution A guided drilling tool that holds a rotating bit square to the work for repeatable holes and fastener patterns. 6 in 2 out artifact Leaf spring caution A stack or strip of spring metal that flexes under load to soften vehicle shock and keep wheels in contact with the road. 7 in 0 out material Lubricating oil allowed A friction-control material for bearings, gears, engines, and sliding tools, sourced from animal, plant, mineral, or petroleum routes. 7 in 14 out tool Lathe caution A machine tool that rotates work against a cutting tool to make round parts, true shafts, threads, bushings, and patterns. 8 in 10 out tool Rolling mill caution A powered mill that passes metal between rolls to make bars, strip, rail, plate, or sheet of repeatable section. 7 in 2 out process Oil refining caution A controlled petroleum separation and purification practice, included as a high-level graph node for fuel and lubricant supply chains. 6 in 2 out artifact Clutch caution A controllable coupling that lets a rotating power source connect to or disconnect from a driven load. 7 in 2 out artifact Pneumatic tire caution An air-filled tire that cushions a wheel, improves traction, and protects a vehicle from road shock. 6 in 2 out material Sheet steel allowed Thin, repeatable steel stock used for panels, tanks, brackets, stampings, guards, and early automobile bodywork. 7 in 4 out material Gasoline caution A volatile petroleum fuel fraction used in spark-ignition engines, treated here as a supply-chain and safety node rather than a recipe. 7 in 4 out process Machining caution Controlled cutting of metal, wood, or hard materials to produce repeatable fits, smooth surfaces, and interchangeable machine parts. 8 in 22 out artifact Bicycle caution A narrow human-powered vehicle that turns balancing, light wheels, low-friction bearings, steering, and workshop alignment into efficient personal transport. 15 in 0 out process Cylinder boring allowed A precision machining process for making round, straight internal bores in engine cylinders, pumps, and sliding parts. 8 in 2 out process Gear cutting caution A repeatable cutting and indexing process for making gear teeth that mesh smoothly under load. 7 in 10 out artifact Ball bearing allowed A rolling bearing using hardened balls between races to reduce friction in wheels, shafts, tools, and instruments. 8 in 0 out artifact Water pump allowed A mechanical device that moves water through a cooling loop, well, trough, or workshop process. 6 in 2 out artifact Carburetor caution A mechanical fuel-and-air metering device that lets a gasoline engine draw a combustible mixture under changing load. 7 in 2 out artifact Crankshaft caution A shaped rotating shaft that turns piston motion into rotary power while surviving repeated bending and torsion. 8 in 2 out artifact Magneto caution A rotating magnet and coil generator that can supply ignition pulses without depending on a charged storage battery. 7 in 2 out knowledge Interchangeable parts allowed A manufacturing discipline where parts made at different times or stations fit without individual hand matching. 8 in 8 out process Water-jacket cooling caution A circulating water system that carries heat away from engine walls and into a radiator or tank. 5 in 4 out artifact Camshaft allowed A timed shaft with lobes that open valves or actuate mechanisms in repeatable sequence. 8 in 2 out artifact Threaded fastener allowed A standardized screw, bolt, nut, or stud that joins parts while allowing disassembly and replacement. 8 in 6 out artifact Piston and cylinder caution A close-fitting sliding chamber that converts expanding gas or fluid pressure into controlled reciprocating motion. 8 in 2 out artifact Steering gear caution A control linkage and gear set that turns driver input into predictable wheel angle without binding or dangerous looseness. 8 in 2 out artifact Transmission caution A gear and clutch system that adapts engine speed and torque to the driven wheels. 8 in 2 out knowledge Service manual allowed A standardized maintenance document that turns a complex vehicle into a repairable public technology rather than a one-off artifact. 8 in 0 out institution Factory assembly line allowed A workshop organization pattern that arranges people, fixtures, parts, records, and movement into a repeatable production flow. 8 in 4 out tool Stamping press caution A press and die system that shears or forms sheet metal into repeated shapes for brackets, panels, and covers. 7 in 0 out artifact Drive shaft caution A rotating shaft that carries torque between engine, transmission, axle, pump, or other separated mechanisms. 8 in 2 out artifact Fuel tank caution A sealed and mounted container for carrying vehicle fuel while resisting leaks, vibration, contamination, and unsafe handling. 6 in 0 out artifact Planetary transmission caution A compact gear train with sun, planet, and ring gears that can provide multiple speed relationships through clutches or bands. 8 in 2 out artifact Poppet valve caution A stemmed valve that opens against a seat and closes to control intake, exhaust, steam, air, or liquid flow. 6 in 2 out artifact Radiator caution A heat exchanger that moves engine heat from circulating water to air through many thin passages or surfaces. 5 in 2 out artifact Spark plug caution A heat-resistant insulated electrode assembly that delivers a spark inside a gasoline engine cylinder. 5 in 4 out process Spark ignition caution An ignition system that creates a timed electric spark to start combustion in a controlled engine chamber. 8 in 2 out artifact Differential gear allowed A gear assembly that splits drive torque while letting left and right wheels rotate at different speeds. 8 in 2 out artifact Internal combustion engine caution A heat engine that burns fuel inside a cylinder to push a piston, requiring precise containment, ignition, cooling, and lubrication. 12 in 4 out artifact Automobile caution A self-propelled road vehicle that combines power, steering, braking, load-bearing wheels, fuel handling, and road testing. 10 in 2 out artifact Gasoline engine caution A spark-ignition internal combustion engine optimized around volatile petroleum fuel, carburetion, cooling, and regular maintenance. 12 in 2 out artifact Ford Model T caution A mass-produced early automobile that combines a gasoline engine, planetary transmission, steel chassis, rubber tires, factory inspection, and service culture. 20 in 0 out missing Acid handling missing Referenced by lead-acid-battery 0 in 1 out missing Battery missing Referenced by ignition-coil 0 in 1 out missing Boring bar missing Referenced by cylinder-boring 0 in 0 out missing Brass missing Referenced by carburetor 0 in 0 out missing Cast iron missing Referenced by cylinder-boring, internal-combustion-engine, piston-cylinder 0 in 0 out missing Ceramic insulator missing Referenced by spark-ignition, spark-plug 0 in 1 out missing Coachbuilding missing Referenced by ford-model-t 0 in 0 out missing Container sealing missing Referenced by lead-acid-battery 0 in 1 out missing Copper sheet missing Referenced by radiator 0 in 0 out missing Copper wire missing Referenced by ignition-coil, magneto, spark-ignition, spark-plug 0 in 1 out missing Die making missing Referenced by stamping-press 0 in 1 out missing Distillation missing Referenced by oil-refining 0 in 1 out missing Electrode alloy missing Referenced by spark-plug 0 in 0 out missing Fluid metering missing Referenced by carburetor 0 in 1 out missing Friction material missing Referenced by band-brake, clutch 0 in 2 out missing Fuel storage missing Referenced by fuel-tank, gasoline 0 in 2 out missing Geological survey missing Referenced by petroleum 0 in 1 out missing Glass missing Referenced by lead-acid-battery 0 in 0 out missing Indexing missing Referenced by gear-cutting 0 in 1 out missing Insulating varnish missing Referenced by ignition-coil 0 in 1 out missing Iron core missing Referenced by ignition-coil 0 in 1 out missing Leak test missing Referenced by fuel-tank, pneumatic-tire, poppet-valve, radiator, water-jacket-cooling, water-pump 0 in 6 out missing Natural rubber missing Referenced by vulcanized-rubber 0 in 1 out missing Permanent magnet missing Referenced by magneto 0 in 1 out missing Piston ring missing Referenced by piston-cylinder 0 in 0 out missing Pressure measurement missing Referenced by pneumatic-tire 0 in 1 out missing Riveting missing Referenced by chassis-frame 0 in 1 out missing Rubber curing missing Referenced by vulcanized-rubber 0 in 1 out missing Rubber hose missing Referenced by water-jacket-cooling 0 in 0 out missing Sheet metal working missing Referenced by radiator, sheet-steel 0 in 2 out missing Soldering missing Referenced by radiator 0 in 1 out missing Spring making missing Referenced by poppet-valve 0 in 1 out missing Spring steel missing Referenced by leaf-spring 0 in 1 out missing Steelmaking missing Referenced by mild-steel 0 in 1 out missing Temperature measurement missing Referenced by oil-refining 0 in 1 out missing Textile cord missing Referenced by pneumatic-tire, vulcanized-rubber 0 in 0 out missing Trade network missing Referenced by petroleum, vulcanized-rubber 0 in 2 out missing Viscosity comparison missing Referenced by lubricating-oil 0 in 1 out missing Waterwheel missing Referenced by rolling-mill 0 in 1 out missing Simple pump missing Referenced by pulley, water-pump 1 in 1 out

By node type

material78

  • Abrasive grit prehistoric · draft

    Hard granular material selected, sorted, and used to scrape, smooth, sharpen, polish, and test surfaces.

  • Animal Fat prehistoric_to_ancient · draft

    Animal Fat is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Bark prehistoric_to_ancient · draft

    Bark is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Bark Fiber prehistoric_to_ancient · draft

    Bark Fiber is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Beeswax prehistoric_to_ancient · draft

    Moldable wax from beekeeping or honey harvest used for seals, patterns, lubrication, waterproofing, and tablets.

  • Birch Bark prehistoric_to_ancient · draft

    Birch Bark is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Bog Iron prehistoric_to_ancient · draft

    Bog Iron is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Bone and antler prehistoric · draft

    Hard animal materials shaped into points, wedges, handles, needles, bearings, toggles, scrapers, and small tool parts.

  • Brick Clay prehistoric_to_ancient · draft

    Brick Clay is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Brine prehistoric_to_ancient · draft

    Brine is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Carbon Black prehistoric_to_ancient · draft

    Carbon Black is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Ceramic temper prehistoric · draft

    Non-plastic additions such as sand, grog, shell, grit, or fiber blended with clay to control shrinkage, cracking, workability, and fired behavior.

  • Chalk prehistoric_to_ancient · draft

    Soft white limestone material used for marking, whitening, fillers, mild abrasive work, and lime-related supply chains.

  • Charcoal prehistoric_to_ancient · draft

    Carbon-rich fuel made by heating wood with limited air, useful where cleaner, hotter, lighter, or more predictable fuel is needed.

  • Clay prehistoric · draft

    Fine mineral sediment that can be shaped wet and hardened by drying or firing for vessels, bricks, molds, tablets, and kiln structures.

  • Clay Slip prehistoric_to_ancient · draft

    Clay Slip is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Copper Ore prehistoric_to_ancient · draft

    Copper Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Cordage fiber prehistoric · draft

    Plant or animal fiber selected, extracted, cleaned, and bundled for rope, thread, lashings, nets, basketry, and weaving.

  • Flax fiber neolithic_to_ancient · draft

    Long bast fiber from flax stems, prepared for thread, cordage, woven cloth, fine lashings, and composite workshop uses.

  • Flaxseed Oil prehistoric_to_ancient · draft

    Flaxseed Oil is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Flint prehistoric_to_ancient · draft

    A fine-grained knappable stone prized for sharp flakes, scrapers, points, strike tools, and early precision edges.

  • Gasoline industrial · draft

    A volatile petroleum fuel fraction used in spark-ignition engines, treated here as a supply-chain and safety node rather than a recipe.

  • Glass Sand prehistoric_to_ancient · draft

    Glass Sand is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Gravel prehistoric_to_ancient · draft

    Gravel is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Grog prehistoric_to_ancient · draft

    Crushed fired clay or sherd material reused as ceramic temper for controlling shrinkage, cracking, and texture.

  • Hardwood prehistoric_to_ancient · draft

    Hardwood is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Hemp Fiber prehistoric_to_ancient · draft

    Hemp Fiber is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Hide glue ancient · draft

    Reversible collagen glue made from animal scrap, useful for woodworking, bindings, repairs, sizing, and temporary fixtures.

  • Hoof prehistoric_to_ancient · draft

    Hoof is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Horn prehistoric_to_ancient · draft

    Horn is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Horn Glue prehistoric_to_ancient · draft

    Horn Glue is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Ink ancient · draft

    A mark-making fluid or paste that carries pigment or dye onto paper, parchment, wood, clay labels, or other record surfaces.

  • Iron Ore prehistoric_to_ancient · draft

    Iron Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Lead Ore prehistoric_to_ancient · draft

    Lead Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Leather prehistoric · draft

    Preserved animal hide prepared as flexible sheet, strap, hinge, gasket, bearing cover, bucket, bellows part, and protective material.

  • Lime material prehistoric_to_ancient · draft

    Calcium-rich stone, shell, or chalk recognized as a precursor for plasters, mortars, washes, and alkaline workshop materials.

  • Limestone prehistoric_to_ancient · draft

    Limestone is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Linen Thread prehistoric_to_ancient · draft

    Linen Thread is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Lubricating oil industrial · draft

    A friction-control material for bearings, gears, engines, and sliding tools, sourced from animal, plant, mineral, or petroleum routes.

  • Mild steel industrial · draft

    Low-carbon steel that is tough, workable, weldable or rivetable, and central to industrial machine and vehicle production.

  • Milk Casein prehistoric_to_ancient · draft

    Milk Casein is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Mortar prehistoric_to_ancient · draft

    Mortar is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Nettle Fiber prehistoric_to_ancient · draft

    Nettle Fiber is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Oak Gall prehistoric_to_ancient · draft

    Oak Gall is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Ochre prehistoric_to_ancient · draft

    Iron-rich earth pigment selected, washed, and ground for marking, paint, ink color, surface coding, and teaching samples.

  • Paper ancient · draft

    A thin sheet made from interlocked fibers, useful for records, drawings, labels, patterns, teaching, and administrative memory.

  • Peat prehistoric_to_ancient · draft

    Peat is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Petroleum industrial · draft

    Naturally occurring crude oil that becomes a family of fuels, lubricants, waxes, and industrial feedstocks after controlled processing.

  • Pitch prehistoric_to_ancient · draft

    A sticky waterproofing and adhesive material made from resinous sources and used to seal, bind, and protect workshop objects.

  • Plant Dye prehistoric_to_ancient · draft

    Plant Dye is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Plaster prehistoric_to_ancient · draft

    Plaster is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Potash prehistoric_to_ancient · draft

    Potash is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Rawhide prehistoric_to_ancient · draft

    Rawhide is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Reed prehistoric_to_ancient · draft

    Straight hollow or pithy wetland stems used for mats, thatch, pens, tubes, floats, baskets, and light frames.

  • Resin prehistoric_to_ancient · draft

    Sticky tree exudate gathered, cleaned, and used for sealants, adhesives, waterproofing, torch fuel, and compound repairs.

  • Rush prehistoric_to_ancient · draft

    Flexible wetland stems used for cord, mats, basketry, wicks, packing, seating, and light tying work.

  • Salt prehistoric_to_ancient · draft

    Salt is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Sand prehistoric_to_ancient · draft

    Sand is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Sandstone prehistoric_to_ancient · draft

    Sandstone is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Sheet steel industrial · draft

    Thin, repeatable steel stock used for panels, tanks, brackets, stampings, guards, and early automobile bodywork.

  • Shell prehistoric_to_ancient · draft

    Hard marine or freshwater shell used for scraping, inlay, lime feedstock, containers, beads, and small tools.

  • Shell Lime prehistoric_to_ancient · draft

    Shell Lime is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Sinew prehistoric_to_ancient · draft

    Tough animal tendon fiber prepared for binding, sewing, bowing, lashings, and composite repairs.

  • Softwood prehistoric_to_ancient · draft

    Softwood is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Soot prehistoric_to_ancient · draft

    Soot is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Starch Paste prehistoric_to_ancient · draft

    Starch Paste is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Stone prehistoric_to_ancient · draft

    Hard natural rock selected by fracture, grain, shape, and durability for tools, weights, hearths, grinding, building, and test pieces.

  • Tallow prehistoric_to_ancient · draft

    Tallow is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Tannin Bark prehistoric_to_ancient · draft

    Tannin Bark is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Timber prehistoric · draft

    Felled and selected wood prepared as a structural material for frames, handles, axles, wheels, benches, jigs, and buildings.

  • Tin Ore prehistoric_to_ancient · draft

    Tin Ore is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Vinegar prehistoric_to_ancient · draft

    Vinegar is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Vulcanized rubber industrial · draft

    Chemically treated natural rubber that resists heat, cold, tearing, and deformation better than raw rubber.

  • Water prehistoric · draft

    The workshop supply chain for finding, carrying, settling, storing, and judging usable water for clay, ink, paper, glue, washing, and tests.

  • Willow prehistoric_to_ancient · draft

    Fast-growing flexible wood and rods used for basketry, hurdles, ties, charcoal feedstock, and light frames.

  • Wood ash prehistoric_to_ancient · draft

    Alkaline mineral residue from clean wood fires used cautiously for cleaning, flux-like experiments, pigment adjustment, and soil or clay trials.

  • Wool prehistoric_to_ancient · draft

    Crimped animal fiber prepared for spinning, felting, padding, insulation, straps, cloth, and thread.

  • Wool Yarn prehistoric_to_ancient · draft

    Wool Yarn is a practical supply chain for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

tool48

  • Adze prehistoric_to_ancient · draft

    A transverse cutting tool used for hewing, hollowing, flattening, and shaping wood surfaces.

  • Animal Harness prehistoric_to_ancient · draft

    Animal Harness is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Anvil Stone prehistoric_to_ancient · draft

    Anvil Stone is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Awl prehistoric_to_ancient · draft

    A pointed hand tool for piercing leather, fiber, bark, thin wood, and layout marks before stitching or pegging.

  • Axe prehistoric_to_ancient · draft

    A hafted chopping edge used for felling, rough timber conversion, splitting, shaping, and emergency demolition.

  • Bellows prehistoric_to_ancient · draft

    Bellows is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Bloomery Furnace prehistoric_to_ancient · draft

    Bloomery Furnace is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Casting Mold prehistoric_to_ancient · draft

    Casting Mold is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Charcoal Hearth prehistoric_to_ancient · draft

    Charcoal Hearth is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Chisel prehistoric_to_ancient · draft

    A driven or pushed edge tool for cutting recesses, trimming joints, cleaning holes, and shaping hard materials.

  • Clamp prehistoric_to_ancient · draft

    A holding device or tied arrangement that keeps work still while cutting, drilling, gluing, drying, or assembly happens.

  • Crucible prehistoric_to_ancient · draft

    Crucible is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Cutting edge prehistoric · draft

    A sharpened stone, bone, shell, wood, or metal edge used for cutting, scraping, trimming, marking, and shaping workshop materials.

  • Drill press industrial · draft

    A guided drilling tool that holds a rotating bit square to the work for repeatable holes and fastener patterns.

  • Drying rack prehistoric_to_ancient · draft

    A raised ventilated support for drying timber, clay pieces, fibers, paper sheets, hides, and test samples.

  • Forge Hearth prehistoric_to_ancient · draft

    Forge Hearth is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Hand drill prehistoric · draft

    A hand-powered boring tool for making holes in wood, bone, leather, clay, shell, and soft stone.

  • Heddle prehistoric_to_ancient · draft

    Loops, rods, or eyes that separate selected warp threads so weaving sheds can be repeated quickly.

  • Hoe prehistoric_to_ancient · draft

    Hoe is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Kiln prehistoric_to_ancient · draft

    A heat-retaining enclosure for firing clay, drying materials, making lime, and later supporting higher-temperature workshop processes.

  • Lathe industrial · draft

    A machine tool that rotates work against a cutting tool to make round parts, true shafts, threads, bushings, and patterns.

  • Lever prehistoric · draft

    A rigid bar used around a fulcrum to trade distance for force in lifting, prying, pressing, and control mechanisms.

  • Loom prehistoric_to_ancient · draft

    A frame or weighted setup that holds threads in order and under tension while cloth or bands are woven.

  • Loom weights prehistoric_to_ancient · draft

    Weights that tension warp threads on simple looms, usually made from fired clay, stone, or reused dense objects.

  • Mortar and pestle prehistoric_to_ancient · draft

    A paired crushing and grinding tool for pigments, grog, grain, resin, herbs, and small mineral batches.

  • Needle prehistoric_to_ancient · draft

    A slender piercing and carrying tool for sewing leather, cloth, bark, skins, and bindings.

  • Plow prehistoric_to_ancient · draft

    Plow is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Plumb line prehistoric_to_ancient · draft

    A cord and weight used to find vertical, align posts, check walls, mark centers, and teach gravity-based reference lines.

  • Potter's wheel ancient · draft

    A rotating work platform that lets a potter shape clay symmetrically with steady hand pressure.

  • Pulley ancient · draft

    A grooved wheel or roller that guides rope, changes force direction, and can combine with other pulleys for lifting advantage.

  • Quern prehistoric_to_ancient · draft

    A hand grinding stone system for grain, pigments, grog, minerals, and other repeatable small-batch grinding.

  • Rolling mill industrial · draft

    A powered mill that passes metal between rolls to make bars, strip, rail, plate, or sheet of repeatable section.

  • Rope prehistoric · draft

    Twisted or braided fibers that carry tension for hauling, lifting, tying, measuring, and transmitting force.

  • Saw prehistoric_to_ancient · draft

    A toothed cutting tool that removes repeated small bites to divide wood, bone, horn, or other workable materials.

  • Saw pit prehistoric_to_ancient · draft

    A team cutting arrangement that lets long timber be sawn into boards or blanks using gravity, staging, and coordinated labor.

  • Scraper prehistoric_to_ancient · draft

    A controlled edge used to remove thin material from hide, wood, bone, clay, and surfaces needing cleanup.

  • Shovel prehistoric_to_ancient · draft

    Shovel is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Shuttle prehistoric_to_ancient · draft

    A hand tool that carries weft thread through a shed, improving speed, order, and thread protection.

  • Sickle prehistoric_to_ancient · draft

    Sickle is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Sieve prehistoric_to_ancient · draft

    A perforated or woven separator used to grade grain, sand, grit, grog, fiber, clay inclusions, and other particles.

  • Spindle neolithic_to_ancient · draft

    A rotating shaft and optional whorl used to twist fiber into thread or yarn for cordage, weaving, stitching, and bindings.

  • Stamping press industrial · draft

    A press and die system that shears or forms sheet metal into repeated shapes for brackets, panels, and covers.

  • Stone hammer prehistoric · draft

    A selected stone used to strike, break, peen, wedge, crush, rough-shape, and test materials before specialized metal hammers exist.

  • Tongs prehistoric_to_ancient · draft

    Tongs is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Try-square ancient · draft

    A right-angle checking and marking tool used to make frames, boxes, wheels, benches, and drawings more repeatable.

  • Tuyere prehistoric_to_ancient · draft

    Tuyere is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Workbench prehistoric_to_ancient · draft

    A stable raised work surface with stops, holes, pegs, or tiedowns for safer repeatable craft work.

  • Yoke prehistoric_to_ancient · draft

    Yoke is a practical tool for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

process33

  • Annealing prehistoric_to_ancient · draft

    Annealing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Basketry prehistoric · draft

    The craft of weaving flexible plant, bark, root, reed, or fiber materials into containers, frames, strainers, traps, and lightweight structures.

  • Brickmaking prehistoric_to_ancient · draft

    Brickmaking is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Coopering prehistoric_to_ancient · draft

    Coopering is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Cylinder boring industrial · draft

    A precision machining process for making round, straight internal bores in engine cylinders, pumps, and sliding parts.

  • Drainage Ditch prehistoric_to_ancient · draft

    Drainage Ditch is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Dyeing prehistoric_to_ancient · draft

    Dyeing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Firekeeping prehistoric · draft

    The practical discipline of starting, feeding, observing, containing, banking, extinguishing, and teaching controlled fire for workshop use.

  • Gear cutting industrial · draft

    A repeatable cutting and indexing process for making gear teeth that mesh smoothly under load.

  • Lashing prehistoric_to_ancient · draft

    The binding of parts with cord, fiber, leather, or sinew so frames and tools can be assembled without rigid fasteners.

  • Lost Wax Casting prehistoric_to_ancient · draft

    Lost Wax Casting is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Machining industrial · draft

    Controlled cutting of metal, wood, or hard materials to produce repeatable fits, smooth surfaces, and interchangeable machine parts.

  • Mortise and tenon prehistoric_to_ancient · draft

    An interlocking wood joint where a projecting tenon fits a matching cavity for stronger frames and repeatable structures.

  • Net making prehistoric_to_ancient · draft

    The construction of repeated open mesh from cordage for carrying, fishing, drying, trapping, sorting, and storage.

  • Oil refining industrial · draft

    A controlled petroleum separation and purification practice, included as a high-level graph node for fuel and lubricant supply chains.

  • Peg joint prehistoric_to_ancient · draft

    A joint held by shaped pegs through aligned holes, useful for knockdown frames, wheels, handles, and repairs.

  • Plastering prehistoric_to_ancient · draft

    Plastering is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Road Building prehistoric_to_ancient · draft

    Road Building is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Rope making prehistoric · draft

    The process of preparing fibers and laying them into cord, line, or rope with enough consistency for tying, hauling, and lifting tests.

  • Soap prehistoric_to_ancient · draft

    Soap is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Spark ignition industrial · draft

    An ignition system that creates a timed electric spark to start combustion in a controlled engine chamber.

  • Spinning prehistoric_to_ancient · draft

    The process of drawing and twisting fibers into continuous thread or yarn for weaving, sewing, tying, and records.

  • Tanning prehistoric_to_ancient · draft

    Tanning is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Thatching prehistoric_to_ancient · draft

    Thatching is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Threshing prehistoric_to_ancient · draft

    Threshing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Tile Making prehistoric_to_ancient · draft

    Tile Making is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Timber seasoning prehistoric · draft

    The controlled drying and sorting of timber so wooden parts shrink less, warp less, and hold joints more predictably.

  • Water-jacket cooling industrial · draft

    A circulating water system that carries heat away from engine walls and into a radiator or tank.

  • Wattle and Daub prehistoric_to_ancient · draft

    Wattle and Daub is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Weaving neolithic_to_ancient · draft

    The organized interlacing of thread, yarn, fiber, or strips into cloth, straps, screens, bags, belts, and technical fabrics.

  • Winnowing prehistoric_to_ancient · draft

    Winnowing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Wire Drawing prehistoric_to_ancient · draft

    Wire Drawing is a practical workshop process for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Woodworking prehistoric · draft

    The practical craft of selecting, shaping, joining, boring, smoothing, and repairing wood for tools, frames, wheels, fixtures, and buildings.

artifact48

  • Automobile industrial · draft

    A self-propelled road vehicle that combines power, steering, braking, load-bearing wheels, fuel handling, and road testing.

  • Ball bearing industrial · draft

    A rolling bearing using hardened balls between races to reduce friction in wheels, shafts, tools, and instruments.

  • Band brake industrial · draft

    A flexible friction band that tightens around a drum to slow a shaft, wheel, or transmission member.

  • Barrel prehistoric_to_ancient · draft

    Barrel is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Bicycle early_modern_to_industrial · draft

    A narrow human-powered vehicle that turns balancing, light wheels, low-friction bearings, steering, and workshop alignment into efficient personal transport.

  • Bridge Trestle prehistoric_to_ancient · draft

    Bridge Trestle is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Bucket prehistoric_to_ancient · draft

    Bucket is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Camshaft industrial · draft

    A timed shaft with lobes that open valves or actuate mechanisms in repeatable sequence.

  • Carburetor industrial · draft

    A mechanical fuel-and-air metering device that lets a gasoline engine draw a combustible mixture under changing load.

  • Cart ancient · draft

    A wheeled load carrier that combines wheels, axle support, frame, load bed, pulling method, and maintenance habits.

  • Chain prehistoric_to_ancient · draft

    Chain is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Chassis frame industrial · draft

    A rigid vehicle foundation that keeps axles, engine, body, and controls aligned under road loads.

  • Clay tablet records prehistoric_to_ancient · draft

    Durable written records impressed into clay for batches, tallies, drawings, ownership, and teaching notes.

  • Clutch industrial · draft

    A controllable coupling that lets a rotating power source connect to or disconnect from a driven load.

  • Crankshaft industrial · draft

    A shaped rotating shaft that turns piston motion into rotary power while surviving repeated bending and torsion.

  • Differential gear industrial · draft

    A gear assembly that splits drive torque while letting left and right wheels rotate at different speeds.

  • Drive shaft industrial · draft

    A rotating shaft that carries torque between engine, transmission, axle, pump, or other separated mechanisms.

  • Fired Brick prehistoric_to_ancient · draft

    Fired Brick is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Ford Model T industrial · draft

    A mass-produced early automobile that combines a gasoline engine, planetary transmission, steel chassis, rubber tires, factory inspection, and service culture.

  • Fuel tank industrial · draft

    A sealed and mounted container for carrying vehicle fuel while resisting leaks, vibration, contamination, and unsafe handling.

  • Gasoline engine industrial · draft

    A spark-ignition internal combustion engine optimized around volatile petroleum fuel, carburetion, cooling, and regular maintenance.

  • Granary prehistoric_to_ancient · draft

    Granary is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Hinge prehistoric_to_ancient · draft

    Hinge is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Hurdle prehistoric_to_ancient · draft

    Hurdle is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Ignition coil industrial · draft

    An electromagnetic winding assembly that turns low-voltage pulses into higher-voltage ignition pulses.

  • Internal combustion engine industrial · draft

    A heat engine that burns fuel inside a cylinder to push a piston, requiring precise containment, ignition, cooling, and lubrication.

  • Latch prehistoric_to_ancient · draft

    Latch is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Lead-acid battery industrial · draft

    A rechargeable storage battery using lead plates and acid electrolyte, included here as a high-level prerequisite for vehicle electrical systems.

  • Leaf spring industrial · draft

    A stack or strip of spring metal that flexes under load to soften vehicle shock and keep wheels in contact with the road.

  • Magneto industrial · draft

    A rotating magnet and coil generator that can supply ignition pulses without depending on a charged storage battery.

  • Nail prehistoric_to_ancient · draft

    Nail is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Piston and cylinder industrial · draft

    A close-fitting sliding chamber that converts expanding gas or fluid pressure into controlled reciprocating motion.

  • Plain bearing ancient · draft

    A low-friction rubbing surface or sleeve that lets a shaft turn or pivot with controlled wear.

  • Planetary transmission industrial · draft

    A compact gear train with sun, planet, and ring gears that can provide multiple speed relationships through clutches or bands.

  • Pneumatic tire industrial · draft

    An air-filled tire that cushions a wheel, improves traction, and protects a vehicle from road shock.

  • Poppet valve industrial · draft

    A stemmed valve that opens against a seat and closes to control intake, exhaust, steam, air, or liquid flow.

  • Radiator industrial · draft

    A heat exchanger that moves engine heat from circulating water to air through many thin passages or surfaces.

  • Rivet prehistoric_to_ancient · draft

    Rivet is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Roof Tile prehistoric_to_ancient · draft

    Roof Tile is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Sled prehistoric_to_ancient · draft

    Sled is a practical artifact for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Spark plug industrial · draft

    A heat-resistant insulated electrode assembly that delivers a spark inside a gasoline engine cylinder.

  • Spoked wheel ancient · draft

    A wheel built from hub, spokes, and rim so it can stay large while using less material than a solid disk.

  • Steering gear industrial · draft

    A control linkage and gear set that turns driver input into predictable wheel angle without binding or dangerous looseness.

  • Storage jar prehistoric_to_ancient · draft

    A container for keeping water, grain, pigment, fiber, ash, glue, oil, and labeled workshop samples controlled.

  • Threaded fastener industrial · draft

    A standardized screw, bolt, nut, or stud that joins parts while allowing disassembly and replacement.

  • Transmission industrial · draft

    A gear and clutch system that adapts engine speed and torque to the driven wheels.

  • Water pump industrial · draft

    A mechanical device that moves water through a cooling loop, well, trough, or workshop process.

  • Wheel and axle ancient · draft

    A rotating round member fixed to a central shaft, useful for carts, pulleys, windlasses, potter's wheels, and later transport systems.

knowledge6

  • Counting prehistoric · draft

    A shared method for keeping track of number, order, quantity, and repeated work.

  • Interchangeable parts industrial · draft

    A manufacturing discipline where parts made at different times or stations fit without individual hand matching.

  • Knot tying prehistoric_to_ancient · draft

    A practical body of tying patterns for fastening, joining, adjusting, lifting, nets, lashings, and temporary fixtures.

  • Service manual industrial · draft

    A standardized maintenance document that turns a complex vehicle into a repairable public technology rather than a one-off artifact.

  • Technical drawing ancient_to_medieval · draft

    A shared drawing practice for communicating shape, size, parts, assembly, and revisions before or during construction.

  • Writing ancient · draft

    A durable symbol system and teaching practice for records, labels, instructions, measurements, and plans.

measurement13

  • Abacus prehistoric_to_ancient · draft

    Abacus is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Angle Gauge prehistoric_to_ancient · draft

    Angle Gauge is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Balance Scale prehistoric_to_ancient · draft

    Balance Scale is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Field Survey prehistoric_to_ancient · draft

    Field Survey is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Land Boundary Marker prehistoric_to_ancient · draft

    Land Boundary Marker is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Level trough prehistoric_to_ancient · draft

    A water-based level reference used to compare heights, set posts, transfer grades, and teach horizontal reference.

  • Measuring rod prehistoric_to_ancient · draft

    A stable marked length standard used to transfer dimensions, compare parts, lay out work, and teach repeatable construction.

  • Seasonal Calendar prehistoric_to_ancient · draft

    Seasonal Calendar is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Sighting Frame prehistoric_to_ancient · draft

    Sighting Frame is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Standard weights ancient · draft

    Agreed reference masses used to compare materials, loads, trade quantities, tests, and batch records.

  • Straightedge prehistoric_to_ancient · draft

    A stable reference edge used to detect bends, guide marks, compare surfaces, and teach straightness.

  • Tally Stick prehistoric_to_ancient · draft

    Tally Stick is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Volume Measure prehistoric_to_ancient · draft

    Volume Measure is a practical measurement practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

institution10

  • Apprenticeship prehistoric_to_ancient · draft

    A social technology for transmitting workshop habits, safety norms, quality standards, tool care, and tacit craft knowledge across workers and generations.

  • Batch labeling prehistoric_to_ancient · draft

    A simple recordkeeping practice that attaches names, marks, or symbols to material lots, tests, failures, and trusted samples.

  • Crop Rotation prehistoric_to_ancient · draft

    Crop Rotation is a practical social practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Factory assembly line industrial · draft

    A workshop organization pattern that arranges people, fixtures, parts, records, and movement into a repeatable production flow.

  • Public safety prehistoric_to_ancient · draft

    Shared norms for keeping dangerous, dirty, or confusing work away from bystanders, food, water, children, and public paths.

  • Quality-control records industrial · draft

    A recordkeeping practice that connects batches, inspections, defects, repairs, and design changes across a workshop or factory.

  • Sanitation norms ancient · draft

    Shared rules for separating waste, drinking water, food handling, washing, burial, drainage, and sickness response.

  • Seed Selection prehistoric_to_ancient · draft

    Seed Selection is a practical social practice for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Workshop organization prehistoric_to_ancient · draft

    A social technology that assigns roles, space, storage, tool care, safety rules, and quality checks inside a productive workshop.

  • Workshop records ancient · draft

    A recordkeeping practice for batches, sources, tests, tools, dimensions, failures, and trusted procedures.

test11

  • Alignment checking ancient · draft

    A workshop test practice for checking whether wheels, shafts, frames, holes, and guide surfaces point where they should.

  • Go/no-go gauge industrial · draft

    A fixed inspection tool with accepting and rejecting sides that quickly sorts parts by whether they fall within useful limits.

  • Kiln firing test neolithic_to_ancient · draft

    A comparative test practice for judging clay bodies, temper, kiln placement, fuel behavior, and finished ceramic quality without relying on guesswork.

  • Moisture Test prehistoric_to_ancient · draft

    Moisture Test is a practical quality test for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Proof Load Test prehistoric_to_ancient · draft

    Proof Load Test is a practical quality test for expanding the static technology tree with local sourcing, repeatable preparation, and visible quality checks.

  • Scratch hardness test prehistoric_to_ancient · draft

    A comparative test that ranks minerals, edges, and surfaces by which material can scratch another.

  • Shrinkage test prehistoric_to_ancient · draft

    A marked-sample test for observing how clay, hide, fiber, and wood change size during drying or processing.

  • Sieve grading prehistoric_to_ancient · draft

    A particle sorting test that separates grit, grog, grain, sand, and fibers into more repeatable working grades.

  • Smoke observation prehistoric_to_ancient · draft

    A disciplined visual and smell-based observation practice for judging fuel, draft, dampness, and incomplete burning without over-specifying fire settings.

  • Tensile test prehistoric_to_ancient · draft

    A controlled pull test for comparing rope, fiber, thread, straps, joints, and other materials that fail in tension.

  • Water settling test prehistoric · draft

    A simple separation and recognition test that uses water and time to compare clay, silt, sand, grit, fiber, and other suspended solids.

Edges (1210)

FromKindToRole
Abrasive grit tooling Bone and antler Abrasion shapes and smooths hard animal materials.
Abrasive grit tooling Bone and antler Enables Bone and antler: Abrasion shapes and smooths hard animal materials.
Abrasive grit material_source Cutting edge Abrasives grind, smooth, and refresh edges.
Abrasive grit material_source Cutting edge Grit helps grind and refresh simple cutting edges.
Abrasive grit soft Ochre Abrasive grit provides a necessary starting point for this page.
Abrasive grit soft Ochre Enables Ochre: Abrasive grit provides a necessary starting point for this page.
Abrasive grit soft Scratch hardness test Abrasive grit provides a necessary starting point for this page.
Abrasive grit soft Scratch hardness test Enables Scratch hardness test: Abrasive grit provides a necessary starting point for this page.
Abrasive grit hard Shell Abrasive grit provides a necessary starting point for this page.
Abrasive grit hard Shell Enables Shell: Abrasive grit provides a necessary starting point for this page.
Abrasive grit material_source Woodworking Abrasives smooth tool handles, joints, and bearing surfaces.
safety Lead-acid battery Requires protective habits, labeling, and storage.
Alignment checking test Bicycle Keeps wheels, frame, and steering from fighting each other.
Alignment checking test Bicycle Single-track vehicles are intolerant of frame and wheel misalignment.
Alignment checking test Cart Keeps wheels parallel enough to roll without dragging.
Alignment checking test Cart Enables Cart: Keeps wheels parallel enough to roll without dragging.
Alignment checking test Chassis frame Confirms straightness, squareness, and axle location.
Alignment checking test Chassis frame Enables Chassis frame: Confirms straightness, squareness, and axle location.
Alignment checking test Clutch Keeps discs, drums, or cones from grabbing unevenly.
Alignment checking test Clutch Enables Clutch: Keeps discs, drums, or cones from grabbing unevenly.
Alignment checking test Crankshaft Finds runout and straightness faults.
Alignment checking test Crankshaft Enables Crankshaft: Finds runout and straightness faults.
Alignment checking test Differential gear Controls gear mesh and bearing alignment.
Alignment checking test Differential gear Enables Differential gear: Controls gear mesh and bearing alignment.
Alignment checking test Drive shaft Finds runout and coupling errors.
Alignment checking test Drive shaft Enables Drive shaft: Finds runout and coupling errors.
Alignment checking test Plain bearing Misalignment turns a bearing into a brake.
Alignment checking test Plain bearing Bearings fail quickly when shafts are crooked.
Alignment checking test Spoked wheel A light wheel must be checked for wobble and roundness.
Alignment checking test Spoked wheel Enables Spoked wheel: A light wheel must be checked for wobble and roundness.
Alignment checking test Steering gear Confirms steering geometry and free movement.
Alignment checking test Steering gear Enables Steering gear: Confirms steering geometry and free movement.
Alignment checking test Transmission Keeps shafts and gears from binding.
Alignment checking test Transmission Enables Transmission: Keeps shafts and gears from binding.
Animal Fat alternative Lubricating oil Provides one early lubricant family.
Animal Fat alternative Lubricating oil Enables Lubricating oil: Provides one early lubricant family.
Annealing soft Leaf spring Supports heat-treatment practice.
Annealing soft Leaf spring Enables Leaf spring: Supports heat-treatment practice.
Anvil Stone soft Chain Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Chain Enables Chain: Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Hinge Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Hinge Enables Hinge: Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Latch Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Latch Enables Latch: Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Nail Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Nail Enables Nail: Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Rivet Anvil Stone provides a necessary starting point for repeatable work.
Anvil Stone soft Rivet Enables Rivet: Anvil Stone provides a necessary starting point for repeatable work.
Apprenticeship institutional Kiln Firing discipline and hazard control depend on trained practice.
Apprenticeship institutional Standard weights Shared standards require trained habits and enforcement.
Apprenticeship institutional Woodworking Repeated craft work improves when skills are taught systematically.
Apprenticeship hard Workshop organization Apprenticeship provides a necessary starting point for this page.
Apprenticeship hard Workshop organization Enables Workshop organization: Apprenticeship provides a necessary starting point for this page.
Automobile hard Ford Model T Provides the general self-propelled road vehicle pattern.
Automobile hard Ford Model T Enables Ford Model T: Provides the general self-propelled road vehicle pattern.
Awl hard Needle Awl provides a necessary starting point for this page.
Awl hard Needle Enables Needle: Awl provides a necessary starting point for this page.
Axe hard Adze Axe provides a necessary starting point for this page.
Axe hard Adze Enables Adze: Axe provides a necessary starting point for this page.
Band brake safety Automobile Supplies controlled stopping.
Band brake safety Automobile Enables Automobile: Supplies controlled stopping.
Band brake hard Planetary transmission Controls gear members in early vehicle designs.
Band brake hard Planetary transmission Enables Planetary transmission: Controls gear members in early vehicle designs.
Barrel hard Petroleum Provides transport and storage culture.
Barrel hard Petroleum Enables Petroleum: Provides transport and storage culture.
Basketry tooling Clay Baskets carry clay, temper, and fired scrap.
Basketry soft Drying rack Basketry provides a necessary starting point for this page.
Basketry soft Drying rack Enables Drying rack: Basketry provides a necessary starting point for this page.
Basketry hard Granary Basketry provides a necessary starting point for first trials.
Basketry hard Granary Enables Granary: Basketry provides a necessary starting point for first trials.
Basketry tooling Paper Baskets and screens support fiber handling and drainage.
Basketry hard Sieve Basketry provides a necessary starting point for this page.
Basketry hard Sieve Enables Sieve: Basketry provides a necessary starting point for this page.
Basketry hard Threshing Basketry provides a necessary starting point for first trials.
Basketry hard Threshing Enables Threshing: Basketry provides a necessary starting point for first trials.
Basketry hard Winnowing Basketry provides a necessary starting point for first trials.
Basketry hard Winnowing Enables Winnowing: Basketry provides a necessary starting point for first trials.
Batch labeling test Quality-control records Connects parts and materials to records.
Batch labeling test Quality-control records Enables Quality-control records: Connects parts and materials to records.
soft Ignition coil A source of electrical pulses is needed for battery ignition.
Bone and antler soft Awl Bone and antler provides a necessary starting point for this page.
Bone and antler soft Awl Enables Awl: Bone and antler provides a necessary starting point for this page.
Bone and antler material_source Cutting edge Bone and antler can make scrapers, points, wedges, and handles.
Bone and antler material_source Hand drill Bone and antler can make small bits, sockets, or bearing pieces.
Bone and antler soft Needle Bone and antler provides a necessary starting point for this page.
Bone and antler soft Needle Enables Needle: Bone and antler provides a necessary starting point for this page.
Bone and antler soft Scraper Bone and antler provides a necessary starting point for this page.
Bone and antler soft Scraper Enables Scraper: Bone and antler provides a necessary starting point for this page.
Camshaft soft Poppet valve Provides timed opening in engines.
Camshaft soft Poppet valve Enables Poppet valve: Provides timed opening in engines.
Carburetor hard Gasoline engine Meters and mixes fuel with incoming air.
Carburetor hard Gasoline engine Enables Gasoline engine: Meters and mixes fuel with incoming air.
Cart hard Automobile Provides load paths, wheels, axles, and road-use habits.
Cart hard Automobile Enables Automobile: Provides load paths, wheels, axles, and road-use habits.
Cart soft Bicycle Cart work teaches wheel maintenance, load paths, and transport repair culture.
material_source Spark plug Separates the live conductor from the shell.
Ceramic temper material_source Potter's wheel Better clay bodies support repeatable wheel-thrown or turned forms.
Chalk hard Lime material Chalk provides a necessary starting point for this page.
Chalk hard Lime material Enables Lime material: Chalk provides a necessary starting point for this page.
Charcoal soft Annealing Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Annealing Enables Annealing: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Anvil Stone Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Anvil Stone Enables Anvil Stone: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Bellows Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Bellows Enables Bellows: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Bloomery Furnace Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Bloomery Furnace Enables Bloomery Furnace: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Carbon Black Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Carbon Black Enables Carbon Black: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Casting Mold Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Casting Mold Enables Casting Mold: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Charcoal Hearth Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Charcoal Hearth Enables Charcoal Hearth: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Crucible Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Crucible Enables Crucible: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Forge Hearth Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Forge Hearth Enables Forge Hearth: Charcoal provides a necessary starting point for repeatable work.
Charcoal material_source Ink Soot or carbon black is a practical black pigment source.
Charcoal material_source Ink Soot and carbon black can supply black pigment.
Charcoal optional Kiln Offers cleaner concentrated fuel for some firing work.
Charcoal optional Kiln Charcoal can improve repeatability in some kiln and furnace work.
Charcoal soft Lost Wax Casting Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Lost Wax Casting Enables Lost Wax Casting: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Peat Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Peat Enables Peat: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Smoke observation Charcoal provides a necessary starting point for this page.
Charcoal soft Smoke observation Enables Smoke observation: Charcoal provides a necessary starting point for this page.
Charcoal soft Soot Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Soot Enables Soot: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Tongs Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Tongs Enables Tongs: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Tuyere Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Tuyere Enables Tuyere: Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Wire Drawing Charcoal provides a necessary starting point for repeatable work.
Charcoal soft Wire Drawing Enables Wire Drawing: Charcoal provides a necessary starting point for repeatable work.
Chassis frame hard Ford Model T Holds engine, axles, body, and passengers in alignment.
Chassis frame hard Ford Model T Enables Ford Model T: Holds engine, axles, body, and passengers in alignment.
Chassis frame soft Leaf spring Provides mounting points and load paths.
Chassis frame soft Leaf spring Enables Leaf spring: Provides mounting points and load paths.
Chisel hard Mortise and tenon Chisel provides a necessary starting point for this page.
Chisel hard Mortise and tenon Enables Mortise and tenon: Chisel provides a necessary starting point for this page.
Clay hard Brick Clay Clay provides a necessary starting point for first trials.
Clay hard Brick Clay Enables Brick Clay: Clay provides a necessary starting point for first trials.
Clay hard Brickmaking Clay provides a necessary starting point for first trials.
Clay hard Brickmaking Enables Brickmaking: Clay provides a necessary starting point for first trials.
Clay material_source Ceramic temper Temper is selected relative to a clay body.
Clay material_source Ceramic temper Enables Ceramic temper: Temper is selected relative to a clay body.
Clay optional Charcoal Clay-rich earth can help seal a mound or pit.
Clay optional Charcoal Enables Charcoal: Clay-rich earth can help seal a mound or pit.
Clay hard Clay Slip Clay provides a necessary starting point for first trials.
Clay hard Clay Slip Enables Clay Slip: Clay provides a necessary starting point for first trials.
Clay hard Clay tablet records Clay provides a necessary starting point for this page.
Clay hard Clay tablet records Enables Clay tablet records: Clay provides a necessary starting point for this page.
Clay hard Fired Brick Clay provides a necessary starting point for first trials.
Clay hard Fired Brick Enables Fired Brick: Clay provides a necessary starting point for first trials.
Clay material_source Grog Grog comes from fired clay or ceramic waste.
Clay material_source Grog Enables Grog: Grog comes from fired clay or ceramic waste.
Clay hard Hurdle Clay provides a necessary starting point for first trials.
Clay hard Hurdle Enables Hurdle: Clay provides a necessary starting point for first trials.
Clay material_source Kiln firing test Clay samples are the tested material.
Clay material_source Kiln firing test Enables Kiln firing test: Clay samples are the tested material.
Clay material_source Kiln Supplies lining, sealing, bricks, shelves, and test pieces.
Clay material_source Kiln Clay forms refractory walls, shelves, sealants, and test pieces.
Clay hard Loom weights Clay provides a necessary starting point for this page.
Clay hard Loom weights Enables Loom weights: Clay provides a necessary starting point for this page.
Clay hard Mortar Clay provides a necessary starting point for first trials.
Clay hard Mortar Enables Mortar: Clay provides a necessary starting point for first trials.
Clay hard Plaster Clay provides a necessary starting point for first trials.
Clay hard Plaster Enables Plaster: Clay provides a necessary starting point for first trials.
Clay hard Plastering Clay provides a necessary starting point for first trials.
Clay hard Plastering Enables Plastering: Clay provides a necessary starting point for first trials.
Clay material_source Potter's wheel Supplies the plastic material being shaped.
Clay material_source Potter's wheel Enables Potter's wheel: Supplies the plastic material being shaped.
Clay hard Roof Tile Clay provides a necessary starting point for first trials.
Clay hard Roof Tile Enables Roof Tile: Clay provides a necessary starting point for first trials.
Clay hard Shrinkage test Clay provides a necessary starting point for this page.
Clay hard Shrinkage test Enables Shrinkage test: Clay provides a necessary starting point for this page.
Clay hard Storage jar Clay provides a necessary starting point for this page.
Clay hard Storage jar Enables Storage jar: Clay provides a necessary starting point for this page.
Clay hard Thatching Clay provides a necessary starting point for first trials.
Clay hard Thatching Enables Thatching: Clay provides a necessary starting point for first trials.
Clay hard Tile Making Clay provides a necessary starting point for first trials.
Clay hard Tile Making Enables Tile Making: Clay provides a necessary starting point for first trials.
Clay hard Wattle and Daub Clay provides a necessary starting point for first trials.
Clay hard Wattle and Daub Enables Wattle and Daub: Clay provides a necessary starting point for first trials.
Clay optional Writing Clay tablets are an early record medium where paper is absent.
Clutch hard Transmission Lets power be engaged and disengaged.
Clutch hard Transmission Enables Transmission: Lets power be engaged and disengaged.
hard Lead-acid battery Prevents leaks and contamination.
material_source Ignition coil Windings require insulated conductive wire.
Cordage fiber material_source Basketry Basketry needs flexible fibers, splints, stems, or roots.
Cordage fiber material_source Basketry Basketry can use long fibers, splints, and flexible stems.
Cordage fiber knowledge Flax fiber General fiber recognition and testing come before specializing in flax.
Cordage fiber knowledge Flax fiber Enables Flax fiber: General fiber recognition and testing come before specializing in flax.
Cordage fiber soft Heddle Cordage fiber provides a necessary starting point for this page.
Cordage fiber soft Heddle Enables Heddle: Cordage fiber provides a necessary starting point for this page.
Cordage fiber hard Hemp Fiber Cordage fiber provides a necessary starting point for first trials.
Cordage fiber hard Hemp Fiber Enables Hemp Fiber: Cordage fiber provides a necessary starting point for first trials.
Cordage fiber hard Linen Thread Cordage fiber provides a necessary starting point for first trials.
Cordage fiber hard Linen Thread Enables Linen Thread: Cordage fiber provides a necessary starting point for first trials.
Cordage fiber soft Net making Cordage fiber provides a necessary starting point for this page.
Cordage fiber soft Net making Enables Net making: Cordage fiber provides a necessary starting point for this page.
Cordage fiber hard Nettle Fiber Cordage fiber provides a necessary starting point for first trials.
Cordage fiber hard Nettle Fiber Enables Nettle Fiber: Cordage fiber provides a necessary starting point for first trials.
Cordage fiber material_source Rope making Rope making begins with sorted fiber.
Cordage fiber material_source Rope Rope requires twistable fibers.
Cordage fiber soft Sieve Cordage fiber provides a necessary starting point for this page.
Cordage fiber soft Sieve Enables Sieve: Cordage fiber provides a necessary starting point for this page.
Cordage fiber material_source Spindle Spindles need prepared fiber to be useful.
Cordage fiber material_source Spindle Enables Spindle: Spindles need prepared fiber to be useful.
Cordage fiber soft Spinning Cordage fiber provides a necessary starting point for this page.
Cordage fiber soft Spinning Enables Spinning: Cordage fiber provides a necessary starting point for this page.
Cordage fiber hard Wool Yarn Cordage fiber provides a necessary starting point for first trials.
Cordage fiber hard Wool Yarn Enables Wool Yarn: Cordage fiber provides a necessary starting point for first trials.
Cordage fiber hard Wool Cordage fiber provides a necessary starting point for this page.
Cordage fiber hard Wool Enables Wool: Cordage fiber provides a necessary starting point for this page.
Counting hard Abacus Counting provides a necessary starting point for first trials.
Counting hard Abacus Enables Abacus: Counting provides a necessary starting point for first trials.
Counting knowledge Alignment checking Repeated marks, comparisons, and records benefit from number.
Counting knowledge Alignment checking Enables Alignment checking: Repeated marks, comparisons, and records benefit from number.
Counting hard Angle Gauge Counting provides a necessary starting point for first trials.
Counting hard Angle Gauge Enables Angle Gauge: Counting provides a necessary starting point for first trials.
Counting hard Balance Scale Counting provides a necessary starting point for first trials.
Counting hard Balance Scale Enables Balance Scale: Counting provides a necessary starting point for first trials.
Counting hard Field Survey Counting provides a necessary starting point for first trials.
Counting hard Field Survey Enables Field Survey: Counting provides a necessary starting point for first trials.
Counting hard Land Boundary Marker Counting provides a necessary starting point for first trials.
Counting hard Land Boundary Marker Enables Land Boundary Marker: Counting provides a necessary starting point for first trials.
Counting knowledge Measuring rod Marks become more useful when counts and named divisions are shared.
Counting knowledge Measuring rod Enables Measuring rod: Marks become more useful when counts and named divisions are shared.
Counting knowledge Rope making Strand count, sample labels, and batch comparisons need number.
Counting knowledge Rope making Enables Rope making: Strand count, sample labels, and batch comparisons need number.
Counting optional Sanitation norms Counting illness events and inspections helps identify patterns.
Counting optional Sanitation norms Enables Sanitation norms: Counting illness events and inspections helps identify patterns.
Counting hard Seasonal Calendar Counting provides a necessary starting point for first trials.
Counting hard Seasonal Calendar Enables Seasonal Calendar: Counting provides a necessary starting point for first trials.
Counting hard Sighting Frame Counting provides a necessary starting point for first trials.
Counting hard Sighting Frame Enables Sighting Frame: Counting provides a necessary starting point for first trials.
Counting knowledge Standard weights Weight sets need repeated units and multiples.
Counting measurement Standard weights Repeated units and comparisons require stable counting.
Counting hard Tally Stick Counting provides a necessary starting point for first trials.
Counting hard Tally Stick Enables Tally Stick: Counting provides a necessary starting point for first trials.
Counting knowledge Technical drawing Parts lists and dimensions require number.
Counting knowledge Technical drawing Dimensions, repetitions, and parts lists need number.
Counting knowledge Timber seasoning Batches and waiting periods must be tracked.
Counting knowledge Timber seasoning Enables Timber seasoning: Batches and waiting periods must be tracked.
Counting hard Volume Measure Counting provides a necessary starting point for first trials.
Counting hard Volume Measure Enables Volume Measure: Counting provides a necessary starting point for first trials.
Counting knowledge Workshop records Batches, measures, and comparisons need counting.
Counting knowledge Workshop records Enables Workshop records: Batches, measures, and comparisons need counting.
Counting knowledge Writing Numbers and tallies are the easiest bridge into records.
Counting knowledge Writing Tallies and numerals bridge spoken counting to records.
Crankshaft hard Internal combustion engine Turns reciprocating motion into rotary output.
Crankshaft hard Internal combustion engine Enables Internal combustion engine: Turns reciprocating motion into rotary output.
Cutting edge soft Animal Fat Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Animal Fat Enables Animal Fat: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge hard Awl Cutting edge provides a necessary starting point for this page.
Cutting edge hard Awl Enables Awl: Cutting edge provides a necessary starting point for this page.
Cutting edge hard Axe Cutting edge provides a necessary starting point for this page.
Cutting edge hard Axe Enables Axe: Cutting edge provides a necessary starting point for this page.
Cutting edge soft Bark Fiber Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Bark Fiber Enables Bark Fiber: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Bark Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Bark Enables Bark: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Birch Bark Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Birch Bark Enables Birch Bark: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge hard Chisel Cutting edge provides a necessary starting point for this page.
Cutting edge hard Chisel Enables Chisel: Cutting edge provides a necessary starting point for this page.
Cutting edge tooling Cordage fiber Cutting tools help harvest and clean fibrous plants or hides.
Cutting edge tooling Cordage fiber Enables Cordage fiber: Cutting tools help harvest and clean fibrous plants or hides.
Cutting edge tooling Hand drill Drill points and scrapers require controlled edges.
Cutting edge tooling Hand drill Enables Hand drill: Drill points and scrapers require controlled edges.
Cutting edge soft Hardwood Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Hardwood Enables Hardwood: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Hoof Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Hoof Enables Hoof: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Horn Glue Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Horn Glue Enables Horn Glue: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Horn Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Horn Enables Horn: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge hard Lathe Sharp tools are required.
Cutting edge hard Lathe Enables Lathe: Sharp tools are required.
Cutting edge tooling Leather Scraping and trimming hides require effective edges.
Cutting edge tooling Leather Hide work needs scraping, trimming, and piercing.
Cutting edge hard Machining Tools need sharpened edges.
Cutting edge hard Machining Enables Machining: Tools need sharpened edges.
Cutting edge soft Rawhide Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Rawhide Enables Rawhide: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Reed Cutting edge provides a necessary starting point for this page.
Cutting edge soft Reed Enables Reed: Cutting edge provides a necessary starting point for this page.
Cutting edge hard Resin Cutting edge provides a necessary starting point for this page.
Cutting edge hard Resin Enables Resin: Cutting edge provides a necessary starting point for this page.
Cutting edge tooling Rope making Fiber harvest and preparation often require cutting and scraping.
Cutting edge soft Rush Cutting edge provides a necessary starting point for this page.
Cutting edge soft Rush Enables Rush: Cutting edge provides a necessary starting point for this page.
Cutting edge hard Saw Cutting edge provides a necessary starting point for this page.
Cutting edge hard Saw Enables Saw: Cutting edge provides a necessary starting point for this page.
Cutting edge hard Scraper Cutting edge provides a necessary starting point for this page.
Cutting edge hard Scraper Enables Scraper: Cutting edge provides a necessary starting point for this page.
Cutting edge soft Shell Cutting edge provides a necessary starting point for this page.
Cutting edge soft Shell Enables Shell: Cutting edge provides a necessary starting point for this page.
Cutting edge hard Sinew Cutting edge provides a necessary starting point for this page.
Cutting edge hard Sinew Enables Sinew: Cutting edge provides a necessary starting point for this page.
Cutting edge soft Softwood Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Softwood Enables Softwood: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Tallow Cutting edge provides a necessary starting point for repeatable work.
Cutting edge soft Tallow Enables Tallow: Cutting edge provides a necessary starting point for repeatable work.
Cutting edge tooling Timber Edged tools make timber conversion faster, cleaner, and safer.
Cutting edge tooling Timber Enables Timber: Edged tools make timber conversion faster, cleaner, and safer.
Cutting edge tooling Try-square Cutting and scraping tools shape the reference arms.
Cutting edge tooling Try-square Enables Try-square: Cutting and scraping tools shape the reference arms.
Cutting edge soft Willow Cutting edge provides a necessary starting point for this page.
Cutting edge soft Willow Enables Willow: Cutting edge provides a necessary starting point for this page.
Cutting edge tooling Woodworking Woodworking requires cutting, scraping, boring, or marking edges.
Cutting edge soft Wool Cutting edge provides a necessary starting point for this page.
Cutting edge soft Wool Enables Wool: Cutting edge provides a necessary starting point for this page.
Cylinder boring hard Piston and cylinder Creates round, smooth bores.
Cylinder boring hard Piston and cylinder Enables Piston and cylinder: Creates round, smooth bores.
tooling Stamping press Creates shaped tools for repeated parts.
Differential gear hard Ford Model T Lets driven wheels turn at different speeds through corners.
Differential gear hard Ford Model T Enables Ford Model T: Lets driven wheels turn at different speeds through corners.
refining Oil refining Provides the general separation principle.
Drill press tooling Machining Makes repeatable holes.
Drill press tooling Machining Enables Machining: Makes repeatable holes.
Drive shaft soft Differential gear Feeds power into the axle assembly.
Drive shaft soft Differential gear Enables Differential gear: Feeds power into the axle assembly.
Factory assembly line institutional Ford Model T Turns the design into repeatable, low-cost production.
Factory assembly line institutional Ford Model T Enables Ford Model T: Turns the design into repeatable, low-cost production.
Factory assembly line soft Stamping press Creates demand for repeated stamped parts.
Factory assembly line soft Stamping press Enables Stamping press: Creates demand for repeated stamped parts.
Firekeeping hard Annealing Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Annealing Enables Annealing: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Anvil Stone Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Anvil Stone Enables Anvil Stone: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Beeswax Firekeeping provides a necessary starting point for this page.
Firekeeping hard Beeswax Enables Beeswax: Firekeeping provides a necessary starting point for this page.
Firekeeping hard Bellows Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Bellows Enables Bellows: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Bloomery Furnace Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Bloomery Furnace Enables Bloomery Furnace: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Carbon Black Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Carbon Black Enables Carbon Black: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Casting Mold Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Casting Mold Enables Casting Mold: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Charcoal Hearth Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Charcoal Hearth Enables Charcoal Hearth: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Charcoal Maintaining and observing controlled fires is required.
Firekeeping hard Charcoal Charcoal production requires watched, controlled fire.
Firekeeping hard Crucible Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Crucible Enables Crucible: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Forge Hearth Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Forge Hearth Enables Forge Hearth: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Hide glue Gentle controlled heat is needed without burning the batch.
Firekeeping tooling Hide glue Glue extraction and use need gentle heat control.
Firekeeping hard Kiln Kilns depend on fire tending and hazard control.
Firekeeping soft Lime material Firekeeping provides a necessary starting point for this page.
Firekeeping soft Lime material Enables Lime material: Firekeeping provides a necessary starting point for this page.
Firekeeping hard Lost Wax Casting Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Lost Wax Casting Enables Lost Wax Casting: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Peat Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Peat Enables Peat: Firekeeping provides a necessary starting point for first trials.
Firekeeping soft Pitch Firekeeping provides a necessary starting point for this page.
Firekeeping soft Pitch Enables Pitch: Firekeeping provides a necessary starting point for this page.
Firekeeping soft Resin Firekeeping provides a necessary starting point for this page.
Firekeeping soft Resin Enables Resin: Firekeeping provides a necessary starting point for this page.
Firekeeping hard Smoke observation Firekeeping provides a necessary starting point for this page.
Firekeeping hard Smoke observation Enables Smoke observation: Firekeeping provides a necessary starting point for this page.
Firekeeping hard Soot Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Soot Enables Soot: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Tongs Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Tongs Enables Tongs: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Tuyere Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Tuyere Enables Tuyere: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Wire Drawing Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Wire Drawing Enables Wire Drawing: Firekeeping provides a necessary starting point for first trials.
Firekeeping hard Wood ash Firekeeping provides a necessary starting point for this page.
Firekeeping hard Wood ash Enables Wood ash: Firekeeping provides a necessary starting point for this page.
Flax fiber material_source Spindle Flax can be spun into finer continuous thread.
Flax fiber material_source Weaving Prepared fiber can be spun or twisted into weaveable thread.
Flax fiber material_source Weaving Prepared flax supports linen thread and woven cloth.
Flaxseed Oil alternative Lubricating oil Provides a plant oil path for light uses.
Flaxseed Oil alternative Lubricating oil Enables Lubricating oil: Provides a plant oil path for light uses.
hard Carburetor Controls small flows repeatably.
material_source Band brake Provides controlled drag and wear.
material_source Clutch Provides controlled grip and wear.
safety Fuel tank Defines cautious handling and labeling.
safety Gasoline Requires labeled, ventilated, fire-aware handling.
Gasoline engine hard Ford Model T Supplies compact mobile power.
Gasoline engine hard Ford Model T Enables Ford Model T: Supplies compact mobile power.
Gasoline hard Carburetor Defines the fuel behavior being handled.
Gasoline hard Carburetor Enables Carburetor: Defines the fuel behavior being handled.
Gasoline hard Gasoline engine Supplies the fuel family.
Gasoline hard Gasoline engine Enables Gasoline engine: Supplies the fuel family.
Gear cutting soft Camshaft Synchronizes cam timing with a crankshaft.
Gear cutting soft Camshaft Enables Camshaft: Synchronizes cam timing with a crankshaft.
Gear cutting hard Differential gear Creates matched bevel or spur gears.
Gear cutting hard Differential gear Enables Differential gear: Creates matched bevel or spur gears.
Gear cutting hard Planetary transmission Planetary gears demand repeatable tooth geometry.
Gear cutting hard Planetary transmission Enables Planetary transmission: Planetary gears demand repeatable tooth geometry.
Gear cutting soft Steering gear Supports worm, sector, or reduction gears.
Gear cutting soft Steering gear Enables Steering gear: Supports worm, sector, or reduction gears.
Gear cutting hard Transmission Creates repeatable gear teeth.
Gear cutting hard Transmission Enables Transmission: Creates repeatable gear teeth.
knowledge Petroleum Finds seep and well prospects.
Go/no-go gauge test Ball bearing Sorts balls and races by fit.
Go/no-go gauge test Ball bearing Enables Ball bearing: Sorts balls and races by fit.
Go/no-go gauge test Camshaft Checks journals and follower fits.
Go/no-go gauge test Camshaft Enables Camshaft: Checks journals and follower fits.
Go/no-go gauge test Carburetor Checks fittings and orifices within accepted limits.
Go/no-go gauge test Carburetor Enables Carburetor: Checks fittings and orifices within accepted limits.
Go/no-go gauge test Cylinder boring Checks whether a bore falls inside accepted limits.
Go/no-go gauge test Cylinder boring Enables Cylinder boring: Checks whether a bore falls inside accepted limits.
Go/no-go gauge test Gear cutting Checks tooth form and fit against a mate.
Go/no-go gauge test Gear cutting Enables Gear cutting: Checks tooth form and fit against a mate.
Go/no-go gauge test Interchangeable parts Enforces accepted fit limits.
Go/no-go gauge test Interchangeable parts Enables Interchangeable parts: Enforces accepted fit limits.
Go/no-go gauge test Machining Separates acceptable from unacceptable fits.
Go/no-go gauge test Machining Enables Machining: Separates acceptable from unacceptable fits.
Go/no-go gauge test Magneto Checks shaft, bearing, and contact fits.
Go/no-go gauge test Magneto Enables Magneto: Checks shaft, bearing, and contact fits.
Go/no-go gauge test Planetary transmission Checks gear and shaft fits.
Go/no-go gauge test Planetary transmission Enables Planetary transmission: Checks gear and shaft fits.
Go/no-go gauge test Rolling mill Checks output thickness and section.
Go/no-go gauge test Rolling mill Enables Rolling mill: Checks output thickness and section.
Go/no-go gauge test Sheet steel Checks thickness and fit.
Go/no-go gauge test Sheet steel Enables Sheet steel: Checks thickness and fit.
Go/no-go gauge test Spark plug Checks thread and gap acceptability.
Go/no-go gauge test Spark plug Enables Spark plug: Checks thread and gap acceptability.
Go/no-go gauge test Threaded fastener Checks whether threads fit accepted limits.
Go/no-go gauge test Threaded fastener Enables Threaded fastener: Checks whether threads fit accepted limits.
Grog material_source Ceramic temper Grog is a common temper candidate.
Hand drill hard Drill press Provides basic rotary drilling practice.
Hand drill hard Drill press Enables Drill press: Provides basic rotary drilling practice.
Hand drill hard Peg joint Hand drill provides a necessary starting point for this page.
Hand drill hard Peg joint Enables Peg joint: Hand drill provides a necessary starting point for this page.
Hand drill tooling Plain bearing Bearing housings and pins need controllable holes.
Hand drill tooling Spindle Drilling helps make balanced whorls and sockets.
Hand drill tooling Spindle Spindle whorls, sockets, and shafts benefit from bored holes.
Hand drill tooling Woodworking Holes improve pegs, lashings, axles, fixtures, and joinery.
Hide glue material_source Paper Glue can size sheets or support bindings where appropriate.
Hide glue material_source Woodworking Glue expands joinery, veneer, repair, and jig options.
Ignition coil hard Magneto Provides winding and insulation practice.
Ignition coil hard Magneto Enables Magneto: Provides winding and insulation practice.
Ignition coil hard Spark ignition Raises voltage for spark production.
Ignition coil hard Spark ignition Enables Spark ignition: Raises voltage for spark production.
measurement Gear cutting Divides a circle into repeatable tooth positions.
Ink optional Paper Ink and paper need compatibility tests.
Ink material_source Technical drawing Stable marks make reusable drawings and labels.
material_source Ignition coil Coils require insulation between turns.
Interchangeable parts hard Factory assembly line Allows parts to move between stations without custom fitting.
Interchangeable parts hard Factory assembly line Enables Factory assembly line: Allows parts to move between stations without custom fitting.
Interchangeable parts test Ford Model T Makes service and mass production practical.
Interchangeable parts test Ford Model T Enables Ford Model T: Makes service and mass production practical.
Interchangeable parts hard Service manual Makes replacement instructions meaningful.
Interchangeable parts hard Service manual Enables Service manual: Makes replacement instructions meaningful.
Interchangeable parts test Threaded fastener Requires standard thread forms and tolerances.
Interchangeable parts test Threaded fastener Enables Threaded fastener: Requires standard thread forms and tolerances.
Internal combustion engine hard Automobile Provides compact motive power.
Internal combustion engine hard Automobile Enables Automobile: Provides compact motive power.
Internal combustion engine hard Gasoline engine Provides the engine architecture.
Internal combustion engine hard Gasoline engine Enables Gasoline engine: Provides the engine architecture.
material_source Ignition coil Magnetic cores improve coil action.
Iron Ore material_source Mild steel Provides iron feedstock.
Iron Ore material_source Mild steel Enables Mild steel: Provides iron feedstock.
Kiln firing test soft Brick Clay Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Brick Clay Enables Brick Clay: Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test test Ceramic temper Temper choices need firing comparison.
Kiln firing test soft Clay Slip Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Clay Slip Enables Clay Slip: Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Fired Brick Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Fired Brick Enables Fired Brick: Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test test Grog Fired samples reveal whether crushed material behaves well in a new body.
Kiln firing test test Grog Crushed fired clay is judged by how it behaves in new clay.
Kiln firing test soft Loom weights Kiln firing test provides a necessary starting point for this page.
Kiln firing test soft Loom weights Enables Loom weights: Kiln firing test provides a necessary starting point for this page.
Kiln firing test soft Mortar Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Mortar Enables Mortar: Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Plaster Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Plaster Enables Plaster: Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Roof Tile Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Roof Tile Enables Roof Tile: Kiln firing test provides a necessary starting point for repeatable work.
Kiln firing test soft Storage jar Kiln firing test provides a necessary starting point for this page.
Kiln firing test soft Storage jar Enables Storage jar: Kiln firing test provides a necessary starting point for this page.
Kiln optional Ink Controlled soot collection can feed some black pigment supply chains.
Kiln tooling Kiln firing test A kiln or controlled firing structure is the test environment.
Kiln tooling Kiln firing test Enables Kiln firing test: A kiln or controlled firing structure is the test environment.
Kiln optional Paper Kiln-dried ash or lime processing may support later workshop chemistry, though paper does not require a kiln.
Knot tying soft Lashing Knot tying provides a necessary starting point for this page.
Knot tying soft Lashing Enables Lashing: Knot tying provides a necessary starting point for this page.
Knot tying hard Net making Knot tying provides a necessary starting point for this page.
Knot tying hard Net making Enables Net making: Knot tying provides a necessary starting point for this page.
Lashing soft Animal Harness Lashing provides a necessary starting point for repeatable work.
Lashing soft Animal Harness Enables Animal Harness: Lashing provides a necessary starting point for repeatable work.
Lashing soft Hoe Lashing provides a necessary starting point for repeatable work.
Lashing soft Hoe Enables Hoe: Lashing provides a necessary starting point for repeatable work.
Lashing soft Plow Lashing provides a necessary starting point for repeatable work.
Lashing soft Plow Enables Plow: Lashing provides a necessary starting point for repeatable work.
Lashing soft Shovel Lashing provides a necessary starting point for repeatable work.
Lashing soft Shovel Enables Shovel: Lashing provides a necessary starting point for repeatable work.
Lashing soft Sickle Lashing provides a necessary starting point for repeatable work.
Lashing soft Sickle Enables Sickle: Lashing provides a necessary starting point for repeatable work.
Lashing soft Sled Lashing provides a necessary starting point for repeatable work.
Lashing soft Sled Enables Sled: Lashing provides a necessary starting point for repeatable work.
Lashing soft Yoke Lashing provides a necessary starting point for repeatable work.
Lashing soft Yoke Enables Yoke: Lashing provides a necessary starting point for repeatable work.
Lathe tooling Crankshaft Keeps journals concentric.
Lathe tooling Crankshaft Enables Crankshaft: Keeps journals concentric.
Lathe tooling Cylinder boring Provides rotary alignment and cutting feed.
Lathe tooling Cylinder boring Enables Cylinder boring: Provides rotary alignment and cutting feed.
Lathe tooling Drive shaft Turns and trues shaft journals.
Lathe tooling Drive shaft Enables Drive shaft: Turns and trues shaft journals.
Lathe tooling Machining Provides one foundational machine-tool operation.
Lathe tooling Machining Enables Machining: Provides one foundational machine-tool operation.
Lathe tooling Threaded fastener Cuts accurate threads in early versions.
Lathe tooling Threaded fastener Enables Threaded fastener: Cuts accurate threads in early versions.
Lead Ore material_source Lead-acid battery Provides the lead supply chain.
Lead Ore material_source Lead-acid battery Enables Lead-acid battery: Provides the lead supply chain.
test Fuel tank Finds unsafe seams and fittings.
test Pneumatic tire Finds punctures and bad seams.
test Poppet valve Checks whether the valve seals.
test Radiator Finds coolant leaks before use.
test Water-jacket cooling Checks jackets, hoses, and fittings.
test Water pump Confirms seals and joints.
Leather hard Animal Fat Leather provides a necessary starting point for first trials.
Leather hard Animal Fat Enables Animal Fat: Leather provides a necessary starting point for first trials.
Leather material_source Bicycle Leather can supply seats, straps, pads, and flexible joints in early builds.
Leather hard Hoof Leather provides a necessary starting point for first trials.
Leather hard Hoof Enables Hoof: Leather provides a necessary starting point for first trials.
Leather hard Horn Glue Leather provides a necessary starting point for first trials.
Leather hard Horn Glue Enables Horn Glue: Leather provides a necessary starting point for first trials.
Leather hard Horn Leather provides a necessary starting point for first trials.
Leather hard Horn Enables Horn: Leather provides a necessary starting point for first trials.
Leather material_source Plain bearing Leather can serve as a liner, seal, washer, or low-speed bearing surface.
Leather material_source Pulley Leather straps and pads help with belts, slings, and wear surfaces.
Leather hard Rawhide Leather provides a necessary starting point for first trials.
Leather hard Rawhide Enables Rawhide: Leather provides a necessary starting point for first trials.
Leather hard Tallow Leather provides a necessary starting point for first trials.
Leather hard Tallow Enables Tallow: Leather provides a necessary starting point for first trials.
Lever hard Band brake Lets a person apply force.
Lever hard Band brake Enables Band brake: Lets a person apply force.
Lever hard Clutch Provides controllable human actuation.
Lever hard Clutch Enables Clutch: Provides controllable human actuation.
Lever knowledge Pulley Helps reason about load and support forces.
Lever knowledge Pulley Lever reasoning helps explain torque, load, and support forces.
Lever enables Standard weights A balance beam uses lever arms to compare masses.
Lever tooling Standard weights A balance beam is a lever used for comparison.
Lever optional Tensile test Levers can apply or multiply test force.
Lever optional Tensile test Enables Tensile test: Levers can apply or multiply test force.
Lever knowledge Wheel and axle Understand how a longer radius trades force for distance.
Lever knowledge Wheel and axle The radius of a wheel acts like a continuous lever around an axle.
Loom hard Heddle Loom provides a necessary starting point for this page.
Loom hard Heddle Enables Heddle: Loom provides a necessary starting point for this page.
Lubricating oil hard Ball bearing Protects rolling contact surfaces.
Lubricating oil hard Ball bearing Enables Ball bearing: Protects rolling contact surfaces.
Lubricating oil hard Crankshaft Protects loaded journals in use.
Lubricating oil hard Crankshaft Enables Crankshaft: Protects loaded journals in use.
Lubricating oil soft Cylinder boring Helps cutting and inspection by controlling heat and friction.
Lubricating oil soft Cylinder boring Enables Cylinder boring: Helps cutting and inspection by controlling heat and friction.
Lubricating oil hard Differential gear Protects loaded gear teeth and bearings.
Lubricating oil hard Differential gear Enables Differential gear: Protects loaded gear teeth and bearings.
Lubricating oil hard Internal combustion engine Reduces destructive friction and wear.
Lubricating oil hard Internal combustion engine Enables Internal combustion engine: Reduces destructive friction and wear.
Lubricating oil hard Piston and cylinder Prevents immediate scoring and seizure.
Lubricating oil hard Piston and cylinder Enables Piston and cylinder: Prevents immediate scoring and seizure.
Lubricating oil hard Transmission Prevents rapid gear and bearing failure.
Lubricating oil hard Transmission Enables Transmission: Prevents rapid gear and bearing failure.
Machining hard Ball bearing Creates races and retainers.
Machining hard Ball bearing Enables Ball bearing: Creates races and retainers.
Machining hard Camshaft Shapes lobes and journals.
Machining hard Camshaft Enables Camshaft: Shapes lobes and journals.
Machining tooling Carburetor Makes small passages, needles, and seats.
Machining tooling Carburetor Enables Carburetor: Makes small passages, needles, and seats.
Machining hard Crankshaft Forms journals, throws, and shoulders.
Machining hard Crankshaft Enables Crankshaft: Forms journals, throws, and shoulders.
Machining hard Cylinder boring Supplies tool grinding, feeds, and workholding practice.
Machining hard Cylinder boring Enables Cylinder boring: Supplies tool grinding, feeds, and workholding practice.
Machining hard Gear cutting Provides cutting, feeds, and fixture practice.
Machining hard Gear cutting Enables Gear cutting: Provides cutting, feeds, and fixture practice.
Machining tooling Interchangeable parts Makes controlled surfaces and holes.
Machining tooling Interchangeable parts Enables Interchangeable parts: Makes controlled surfaces and holes.
Machining tooling Magneto Keeps rotating parts aligned.
Machining tooling Magneto Enables Magneto: Keeps rotating parts aligned.
Machining tooling Piston and cylinder Shapes piston, rings, and bearing surfaces.
Machining tooling Piston and cylinder Enables Piston and cylinder: Shapes piston, rings, and bearing surfaces.
Machining hard Poppet valve Makes stems, heads, and seats fit.
Machining hard Poppet valve Enables Poppet valve: Makes stems, heads, and seats fit.
Machining soft Water pump Improves impellers, shafts, and housings.
Machining soft Water pump Enables Water pump: Improves impellers, shafts, and housings.
Magneto soft Gasoline engine Can produce ignition current without a large battery.
Magneto soft Gasoline engine Enables Gasoline engine: Can produce ignition current without a large battery.
Measuring rod soft Abacus Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Abacus Enables Abacus: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Angle Gauge Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Angle Gauge Enables Angle Gauge: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Balance Scale Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Balance Scale Enables Balance Scale: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod hard Bridge Trestle Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Bridge Trestle Enables Bridge Trestle: Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Drainage Ditch Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Drainage Ditch Enables Drainage Ditch: Measuring rod provides a necessary starting point for first trials.
Measuring rod soft Field Survey Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Field Survey Enables Field Survey: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod measurement Go/no-go gauge Provides length comparison practice.
Measuring rod measurement Go/no-go gauge Enables Go/no-go gauge: Provides length comparison practice.
Measuring rod soft Land Boundary Marker Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Land Boundary Marker Enables Land Boundary Marker: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Loom Measuring rod provides a necessary starting point for this page.
Measuring rod soft Loom Enables Loom: Measuring rod provides a necessary starting point for this page.
Measuring rod hard Moisture Test Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Moisture Test Enables Moisture Test: Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Proof Load Test Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Proof Load Test Enables Proof Load Test: Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Road Building Measuring rod provides a necessary starting point for first trials.
Measuring rod hard Road Building Enables Road Building: Measuring rod provides a necessary starting point for first trials.
Measuring rod soft Seasonal Calendar Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Seasonal Calendar Enables Seasonal Calendar: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Shrinkage test Measuring rod provides a necessary starting point for this page.
Measuring rod soft Shrinkage test Enables Shrinkage test: Measuring rod provides a necessary starting point for this page.
Measuring rod soft Sighting Frame Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Sighting Frame Enables Sighting Frame: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod measurement Standard weights Shared measures support wider standardization habits.
Measuring rod hard Straightedge Measuring rod provides a necessary starting point for this page.
Measuring rod hard Straightedge Enables Straightedge: Measuring rod provides a necessary starting point for this page.
Measuring rod soft Tally Stick Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Tally Stick Enables Tally Stick: Measuring rod provides a necessary starting point for repeatable work.
Measuring rod measurement Technical drawing Drawings need transferred dimensions.
Measuring rod measurement Try-square Reliable lengths and marks support square layout.
Measuring rod measurement Try-square A square needs stable reference lengths and layout marks.
Measuring rod soft Volume Measure Measuring rod provides a necessary starting point for repeatable work.
Measuring rod soft Volume Measure Enables Volume Measure: Measuring rod provides a necessary starting point for repeatable work.
Mild steel hard Chassis frame Provides a tough frame material.
Mild steel hard Chassis frame Enables Chassis frame: Provides a tough frame material.
Mild steel hard Rolling mill Provides roll and frame material.
Mild steel hard Rolling mill Enables Rolling mill: Provides roll and frame material.
Mild steel hard Sheet steel Provides workable steel stock.
Mild steel hard Sheet steel Enables Sheet steel: Provides workable steel stock.
Mortar and pestle soft Quern Mortar and pestle provides a necessary starting point for this page.
Mortar and pestle soft Quern Enables Quern: Mortar and pestle provides a necessary starting point for this page.
material_source Vulcanized rubber Provides latex or raw rubber feedstock.
Oil refining refining Gasoline Separates useful petroleum fractions.
Oil refining refining Gasoline Enables Gasoline: Separates useful petroleum fractions.
Paper optional Ink Ink and paper co-evolve as record media.
Paper material_source Technical drawing Paper gives a portable drawing and template surface.
hard Magneto Supplies the magnetic field.
Petroleum material_source Gasoline Provides the crude source.
Petroleum material_source Gasoline Enables Gasoline: Provides the crude source.
Petroleum soft Lubricating oil Provides mineral oil feedstock for industrial lubrication.
Petroleum soft Lubricating oil Enables Lubricating oil: Provides mineral oil feedstock for industrial lubrication.
Petroleum material_source Oil refining Supplies crude feedstock.
Petroleum material_source Oil refining Enables Oil refining: Supplies crude feedstock.
Piston and cylinder hard Internal combustion engine Converts pressure pulses into reciprocating motion.
Piston and cylinder hard Internal combustion engine Enables Internal combustion engine: Converts pressure pulses into reciprocating motion.
Plain bearing enables Bicycle Hubs, steering pivots, and early cranks need controlled friction.
Plain bearing hard Bicycle Reduces hub and steering friction enough for repeatable riding.
Plain bearing soft Cart Reduces axle wear for repeated use.
Plain bearing soft Cart Enables Cart: Reduces axle wear for repeated use.
Plain bearing soft Clutch Supports rotating elements.
Plain bearing soft Clutch Enables Clutch: Supports rotating elements.
Plain bearing hard Drive shaft Supports rotation.
Plain bearing hard Drive shaft Enables Drive shaft: Supports rotation.
Plain bearing hard Lathe Supports spindle rotation.
Plain bearing hard Lathe Enables Lathe: Supports spindle rotation.
Plain bearing enables Potter's wheel Smooth rotation improves wheel control and durability.
Plain bearing soft Potter's wheel Improves smoothness and reduces wear.
Plain bearing hard Rolling mill Supports heavy rotating rolls.
Plain bearing hard Rolling mill Enables Rolling mill: Supports heavy rotating rolls.
Plain bearing hard Steering gear Supports pivots and shafts.
Plain bearing hard Steering gear Enables Steering gear: Supports pivots and shafts.
Plain bearing soft Water pump Supports rotating or sliding pump parts.
Plain bearing soft Water pump Enables Water pump: Supports rotating or sliding pump parts.
Planetary transmission hard Ford Model T Gives the early driver controllable speed ranges without a sliding-gear gearbox.
Planetary transmission hard Ford Model T Enables Ford Model T: Gives the early driver controllable speed ranges without a sliding-gear gearbox.
Plumb line measurement Alignment checking Plumb lines are direct alignment tools.
Plumb line measurement Technical drawing Vertical reference lines support layout and teaching.
Pneumatic tire hard Ford Model T Carries road shock and gives usable traction.
Pneumatic tire hard Ford Model T Enables Ford Model T: Carries road shock and gives usable traction.
Poppet valve hard Internal combustion engine Controls gas exchange.
Poppet valve hard Internal combustion engine Enables Internal combustion engine: Controls gas exchange.
test Pneumatic tire Checks inflation and leakage.
Proof Load Test test Band brake Checks linkages and anchors before road use.
Proof Load Test test Band brake Enables Band brake: Checks linkages and anchors before road use.
Proof Load Test test Leaf spring Checks resilience and permanent set.
Proof Load Test test Leaf spring Enables Leaf spring: Checks resilience and permanent set.
Proof Load Test safety Stamping press Checks press and die integrity.
Proof Load Test safety Stamping press Enables Stamping press: Checks press and die integrity.
Public safety soft Dyeing Public safety provides a necessary starting point for repeatable work.
Public safety soft Dyeing Enables Dyeing: Public safety provides a necessary starting point for repeatable work.
Public safety safety Oil refining Keeps fire, vapor, and waste risks governed.
Public safety safety Oil refining Enables Oil refining: Keeps fire, vapor, and waste risks governed.
Public safety soft Soap Public safety provides a necessary starting point for repeatable work.
Public safety soft Soap Enables Soap: Public safety provides a necessary starting point for repeatable work.
Public safety soft Tanning Public safety provides a necessary starting point for repeatable work.
Public safety soft Tanning Enables Tanning: Public safety provides a necessary starting point for repeatable work.
Pulley optional Lifting and tension systems support pump construction and maintenance.
Quality-control records soft Band brake Tracks adjustment and wear.
Quality-control records soft Band brake Enables Band brake: Tracks adjustment and wear.
Quality-control records test Factory assembly line Tracks defects and rework.
Quality-control records test Factory assembly line Enables Factory assembly line: Tracks defects and rework.
Quality-control records institutional Ford Model T Keeps defects traceable across a large factory.
Quality-control records institutional Ford Model T Enables Ford Model T: Keeps defects traceable across a large factory.
Quality-control records test Gasoline Tracks source, contamination, and engine behavior.
Quality-control records test Gasoline Enables Gasoline: Tracks source, contamination, and engine behavior.
Quality-control records institutional Interchangeable parts Tracks batches, defects, and changes.
Quality-control records institutional Interchangeable parts Enables Interchangeable parts: Tracks batches, defects, and changes.
Quality-control records test Lead-acid battery Tracks charging behavior and failures.
Quality-control records test Lead-acid battery Enables Lead-acid battery: Tracks charging behavior and failures.
Quality-control records test Mild steel Tracks heats, suppliers, and defects.
Quality-control records test Mild steel Enables Mild steel: Tracks heats, suppliers, and defects.
Quality-control records test Petroleum Tracks source and contamination differences.
Quality-control records test Petroleum Enables Petroleum: Tracks source and contamination differences.
Quality-control records institutional Service manual Feeds known faults and revisions back into service practice.
Quality-control records institutional Service manual Enables Service manual: Feeds known faults and revisions back into service practice.
Quality-control records test Spark ignition Tracks intermittent faults and replacements.
Quality-control records test Spark ignition Enables Spark ignition: Tracks intermittent faults and replacements.
Quality-control records test Vulcanized rubber Tracks batches, aging, and failures.
Quality-control records test Vulcanized rubber Enables Vulcanized rubber: Tracks batches, aging, and failures.
Radiator safety Gasoline engine Rejects engine heat to air.
Radiator safety Gasoline engine Enables Gasoline engine: Rejects engine heat to air.
Resin hard Pitch Resin provides a necessary starting point for this page.
Resin hard Pitch Enables Pitch: Resin provides a necessary starting point for this page.
soft Chassis frame Joins plates and brackets where welding is not available.
Road Building soft Ford Model T Provides surfaces suitable for repeated driving and delivery.
Road Building soft Ford Model T Enables Ford Model T: Provides surfaces suitable for repeated driving and delivery.
Rolling mill refining Sheet steel Reduces metal to controlled thickness.
Rolling mill refining Sheet steel Enables Sheet steel: Reduces metal to controlled thickness.
Rope making material_source Pulley Supplies the flexible tension member.
Rope making refining Rope Turns prepared fibers into usable cordage.
Rope making refining Rope Turns loose fiber into usable rope.
Rope hard Clamp Rope provides a necessary starting point for this page.
Rope hard Clamp Enables Clamp: Rope provides a necessary starting point for this page.
Rope hard Knot tying Rope provides a necessary starting point for this page.
Rope hard Knot tying Enables Knot tying: Rope provides a necessary starting point for this page.
Rope hard Lashing Rope provides a necessary starting point for this page.
Rope hard Lashing Enables Lashing: Rope provides a necessary starting point for this page.
Rope material_source Paper Cordage and rag fibers teach fiber preparation and can become feedstock.
Rope material_source Paper Enables Paper: Cordage and rag fibers teach fiber preparation and can become feedstock.
Rope material_source Plumb line A flexible line is the main component.
Rope material_source Plumb line Enables Plumb line: A flexible line is the main component.
Rope hard Pulley Carries the tension through the pulley.
Rope hard Pulley A pulley needs a flexible tension member.
Rope optional Wheel and axle Useful for windlasses, carts, and load handling around the axle.
Rope optional Wheel and axle Rope enables windlass and cart hauling applications.
refining Vulcanized rubber Changes rubber properties under controlled processing.
Sanitation norms institutional Paper Administrative records and notices increase demand for cheap writing surfaces.
Sanitation norms hard Public safety Sanitation norms provides a necessary starting point for this page.
Sanitation norms hard Public safety Enables Public safety: Sanitation norms provides a necessary starting point for this page.
Saw hard Saw pit Saw provides a necessary starting point for this page.
Saw hard Saw pit Enables Saw pit: Saw provides a necessary starting point for this page.
Scratch hardness test test Ball bearing Screens hardness and wear.
Scratch hardness test test Ball bearing Enables Ball bearing: Screens hardness and wear.
Scratch hardness test soft Bog Iron Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Bog Iron Enables Bog Iron: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Copper Ore Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Copper Ore Enables Copper Ore: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Glass Sand Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Glass Sand Enables Glass Sand: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test test Go/no-go gauge Screens gauge material durability.
Scratch hardness test test Go/no-go gauge Enables Go/no-go gauge: Screens gauge material durability.
Scratch hardness test soft Gravel Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Gravel Enables Gravel: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Iron Ore Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Iron Ore Enables Iron Ore: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Lead Ore Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Lead Ore Enables Lead Ore: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Limestone Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Limestone Enables Limestone: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test test Piston and cylinder Screens materials for wear resistance.
Scratch hardness test test Piston and cylinder Enables Piston and cylinder: Screens materials for wear resistance.
Scratch hardness test soft Potash Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Potash Enables Potash: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Sand Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Sand Enables Sand: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Sandstone Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Sandstone Enables Sandstone: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Shell Lime Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Shell Lime Enables Shell Lime: Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Tin Ore Scratch hardness test provides a necessary starting point for repeatable work.
Scratch hardness test soft Tin Ore Enables Tin Ore: Scratch hardness test provides a necessary starting point for repeatable work.
Seasonal Calendar soft Crop Rotation Seasonal Calendar provides a necessary starting point for repeatable work.
Seasonal Calendar soft Crop Rotation Enables Crop Rotation: Seasonal Calendar provides a necessary starting point for repeatable work.
Seasonal Calendar soft Seed Selection Seasonal Calendar provides a necessary starting point for repeatable work.
Seasonal Calendar soft Seed Selection Enables Seed Selection: Seasonal Calendar provides a necessary starting point for repeatable work.
tooling Radiator Forms tanks, fins, and ducts.
tooling Sheet steel Cuts, bends, and joins sheet into parts.
Sheet steel hard Fuel tank Provides tank and bracket stock.
Sheet steel hard Fuel tank Enables Fuel tank: Provides tank and bracket stock.
Sheet steel hard Stamping press Provides workable sheet stock.
Sheet steel hard Stamping press Enables Stamping press: Provides workable sheet stock.
Sieve hard Sieve grading Sieve provides a necessary starting point for this page.
Sieve hard Sieve grading Enables Sieve grading: Sieve provides a necessary starting point for this page.
hard Water pump Provides the basic fluid-moving pattern.
soft Radiator Joins thin metal cooling parts.
Spark ignition hard Internal combustion engine Provides timed ignition for light-fuel engines.
Spark ignition hard Internal combustion engine Enables Internal combustion engine: Provides timed ignition for light-fuel engines.
Spark plug hard Gasoline engine Delivers ignition inside the cylinder.
Spark plug hard Gasoline engine Enables Gasoline engine: Delivers ignition inside the cylinder.
Spark plug hard Spark ignition Delivers the spark across an insulated gap.
Spark plug hard Spark ignition Enables Spark ignition: Delivers the spark across an insulated gap.
Spindle soft Hemp Fiber Spindle provides a necessary starting point for repeatable work.
Spindle soft Hemp Fiber Enables Hemp Fiber: Spindle provides a necessary starting point for repeatable work.
Spindle soft Linen Thread Spindle provides a necessary starting point for repeatable work.
Spindle soft Linen Thread Enables Linen Thread: Spindle provides a necessary starting point for repeatable work.
Spindle soft Nettle Fiber Spindle provides a necessary starting point for repeatable work.
Spindle soft Nettle Fiber Enables Nettle Fiber: Spindle provides a necessary starting point for repeatable work.
Spindle tooling Rope making Spinning habits improve twist control for small cordage.
Spindle hard Spinning Spindle provides a necessary starting point for this page.
Spindle hard Spinning Enables Spinning: Spindle provides a necessary starting point for this page.
Spindle tooling Weaving Spindles help make longer, more even thread.
Spindle tooling Weaving Spindles produce longer thread for woven textiles.
Spindle soft Wool Yarn Spindle provides a necessary starting point for repeatable work.
Spindle soft Wool Yarn Enables Wool Yarn: Spindle provides a necessary starting point for repeatable work.
Spoked wheel enables Bicycle Light wheels make rider-powered transport much more plausible.
Spoked wheel hard Bicycle Makes wheels light enough for human-powered transport.
Spoked wheel enables Cart Lighter wheels reduce draft effort and improve speed.
Spoked wheel soft Pneumatic tire Provides a light wheel foundation.
Spoked wheel soft Pneumatic tire Enables Pneumatic tire: Provides a light wheel foundation.
hard Poppet valve Returns the valve closed after actuation.
material_source Leaf spring Provides resilient metal stock.
Standard weights measurement Factory assembly line Supports material and batch consistency.
Standard weights measurement Factory assembly line Enables Factory assembly line: Supports material and batch consistency.
Standard weights measurement Go/no-go gauge Supports standardization culture.
Standard weights measurement Go/no-go gauge Enables Go/no-go gauge: Supports standardization culture.
Standard weights measurement Kiln Helps compare shrinkage, fuel use, and test piece batches.
Standard weights measurement Kiln Enables Kiln: Helps compare shrinkage, fuel use, and test piece batches.
Standard weights measurement Mild steel Supports batch and charge consistency.
Standard weights measurement Mild steel Enables Mild steel: Supports batch and charge consistency.
Standard weights optional Plumb line Standardized weights improve repeatability, though any compact weight can work.
Standard weights optional Plumb line Enables Plumb line: Standardized weights improve repeatability, though any compact weight can work.
Standard weights measurement Technical drawing Weights support scale, material callouts, and quality records.
Standard weights optional Technical drawing Measurement culture supports drawing discipline, though length standards are the direct need.
Standard weights measurement Tensile test Known loads make tests repeatable.
Standard weights measurement Tensile test Repeatable loads improve material tests.
Standard weights measurement Threaded fastener Supports metal batch consistency.
Standard weights measurement Threaded fastener Enables Threaded fastener: Supports metal batch consistency.
refining Mild steel Controls carbon and impurities.
Steering gear hard Automobile Turns front wheels predictably.
Steering gear hard Automobile Enables Automobile: Turns front wheels predictably.
Stone hammer soft Chisel Stone hammer provides a necessary starting point for this page.
Stone hammer soft Chisel Enables Chisel: Stone hammer provides a necessary starting point for this page.
Stone hammer tooling Clay Crushing and mixing temper or dried clay benefits from striking tools.
Stone hammer tooling Cutting edge Striking tools help make and renew simple edges.
Stone hammer tooling Cutting edge Hammerstones help shape and refresh simple stone or bone edges.
Stone hammer soft Flint Stone hammer provides a necessary starting point for this page.
Stone hammer soft Flint Enables Flint: Stone hammer provides a necessary starting point for this page.
Stone hammer tooling Hand drill Rough parts and sockets can be shaped by striking and abrasion.
Stone hammer tooling Hand drill Hammerstones help make rough drill parts and sockets.
Stone hammer soft Mortar and pestle Stone hammer provides a necessary starting point for this page.
Stone hammer soft Mortar and pestle Enables Mortar and pestle: Stone hammer provides a necessary starting point for this page.
Stone hammer soft Stone Stone hammer provides a necessary starting point for this page.
Stone hammer soft Stone Enables Stone: Stone hammer provides a necessary starting point for this page.
Stone hard Bog Iron Stone provides a necessary starting point for first trials.
Stone hard Bog Iron Enables Bog Iron: Stone provides a necessary starting point for first trials.
Stone hard Chalk Stone provides a necessary starting point for this page.
Stone hard Chalk Enables Chalk: Stone provides a necessary starting point for this page.
Stone hard Copper Ore Stone provides a necessary starting point for first trials.
Stone hard Copper Ore Enables Copper Ore: Stone provides a necessary starting point for first trials.
Stone hard Flint Stone provides a necessary starting point for this page.
Stone hard Flint Enables Flint: Stone provides a necessary starting point for this page.
Stone hard Glass Sand Stone provides a necessary starting point for first trials.
Stone hard Glass Sand Enables Glass Sand: Stone provides a necessary starting point for first trials.
Stone hard Gravel Stone provides a necessary starting point for first trials.
Stone hard Gravel Enables Gravel: Stone provides a necessary starting point for first trials.
Stone hard Iron Ore Stone provides a necessary starting point for first trials.
Stone hard Iron Ore Enables Iron Ore: Stone provides a necessary starting point for first trials.
Stone hard Lead Ore Stone provides a necessary starting point for first trials.
Stone hard Lead Ore Enables Lead Ore: Stone provides a necessary starting point for first trials.
Stone hard Limestone Stone provides a necessary starting point for first trials.
Stone hard Limestone Enables Limestone: Stone provides a necessary starting point for first trials.
Stone hard Mortar and pestle Stone provides a necessary starting point for this page.
Stone hard Mortar and pestle Enables Mortar and pestle: Stone provides a necessary starting point for this page.
Stone hard Potash Stone provides a necessary starting point for first trials.
Stone hard Potash Enables Potash: Stone provides a necessary starting point for first trials.
Stone hard Quern Stone provides a necessary starting point for this page.
Stone hard Quern Enables Quern: Stone provides a necessary starting point for this page.
Stone hard Sand Stone provides a necessary starting point for first trials.
Stone hard Sand Enables Sand: Stone provides a necessary starting point for first trials.
Stone hard Sandstone Stone provides a necessary starting point for first trials.
Stone hard Sandstone Enables Sandstone: Stone provides a necessary starting point for first trials.
Stone hard Scratch hardness test Stone provides a necessary starting point for this page.
Stone hard Scratch hardness test Enables Scratch hardness test: Stone provides a necessary starting point for this page.
Stone hard Shell Lime Stone provides a necessary starting point for first trials.
Stone hard Shell Lime Enables Shell Lime: Stone provides a necessary starting point for first trials.
Stone hard Tin Ore Stone provides a necessary starting point for first trials.
Stone hard Tin Ore Enables Tin Ore: Stone provides a necessary starting point for first trials.
Storage jar soft Brine Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Brine Enables Brine: Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Granary Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Granary Enables Granary: Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Salt Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Salt Enables Salt: Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Threshing Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Threshing Enables Threshing: Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Winnowing Storage Jar provides a necessary starting point for repeatable work.
Storage jar soft Winnowing Enables Winnowing: Storage Jar provides a necessary starting point for repeatable work.
Straightedge test Drill press Checks table and guide alignment.
Straightedge test Drill press Enables Drill press: Checks table and guide alignment.
Straightedge test Lathe Checks ways and alignment.
Straightedge test Lathe Enables Lathe: Checks ways and alignment.
Tally Stick alternative Quality-control records Provides a low-literacy counting fallback.
Tally Stick alternative Quality-control records Enables Quality-control records: Provides a low-literacy counting fallback.
Technical drawing optional Alignment checking Drawings define the intended line before the test checks it.
Technical drawing optional Alignment checking Enables Alignment checking: Drawings define the intended line before the test checks it.
Technical drawing soft Automobile Keeps geometry and revisions reproducible.
Technical drawing soft Automobile Enables Automobile: Keeps geometry and revisions reproducible.
Technical drawing soft Bicycle Helps a workshop copy frame geometry and improve revisions.
Technical drawing soft Bicycle Enables Bicycle: Helps a workshop copy frame geometry and improve revisions.
Technical drawing soft Camshaft Records lobe order and timing relationships.
Technical drawing soft Camshaft Enables Camshaft: Records lobe order and timing relationships.
Technical drawing soft Chassis frame Preserves hole patterns and dimensions between builds.
Technical drawing soft Chassis frame Enables Chassis frame: Preserves hole patterns and dimensions between builds.
Technical drawing soft Gear cutting Records tooth counts and centers.
Technical drawing soft Gear cutting Enables Gear cutting: Records tooth counts and centers.
Technical drawing knowledge Go/no-go gauge Defines the accepted limits.
Technical drawing knowledge Go/no-go gauge Enables Go/no-go gauge: Defines the accepted limits.
Technical drawing knowledge Interchangeable parts Defines shapes and tolerances.
Technical drawing knowledge Interchangeable parts Enables Interchangeable parts: Defines shapes and tolerances.
Technical drawing optional Pulley Drawings help groove shape and frame alignment.
Technical drawing knowledge Service manual Explains assemblies and part locations.
Technical drawing knowledge Service manual Enables Service manual: Explains assemblies and part locations.
Technical drawing soft Spark ignition Records wiring and timing relationships.
Technical drawing soft Spark ignition Enables Spark ignition: Records wiring and timing relationships.
Technical drawing optional Wheel and axle Drawings improve hub, axle, and frame repeatability.
Technical drawing optional Woodworking Drawings help repeat parts and teach joinery once the workshop grows.
Technical drawing optional Woodworking Enables Woodworking: Drawings help repeat parts and teach joinery once the workshop grows.
measurement Oil refining Monitors process zones and product consistency.
Tensile test soft Knot tying Tensile test provides a necessary starting point for this page.
Tensile test soft Knot tying Enables Knot tying: Tensile test provides a necessary starting point for this page.
Tensile test safety Pulley Lifting systems need proof-tested rope and fittings.
Tensile test test Rope making Pull testing reveals whether the process makes useful cordage.
Tensile test test Rope making Enables Rope making: Pull testing reveals whether the process makes useful cordage.
Tensile test test Rope Even crude pull tests separate useful cordage from decorative string.
Tensile test test Rope Cordage needs proof and comparison.
Tensile test soft Sinew Tensile test provides a necessary starting point for this page.
Tensile test soft Sinew Enables Sinew: Tensile test provides a necessary starting point for this page.
Tensile test optional Spoked wheel Useful for checking lashings, ties, or later wire spokes.
Tensile test optional Spoked wheel Enables Spoked wheel: Useful for checking lashings, ties, or later wire spokes.
Tensile test optional Woodworking Pull tests help compare lashings, pegs, and joints.
Tensile test optional Woodworking Enables Woodworking: Pull tests help compare lashings, pegs, and joints.
Threaded fastener soft Drive shaft Secures couplings and joints.
Threaded fastener soft Drive shaft Enables Drive shaft: Secures couplings and joints.
Threaded fastener soft Fuel tank Secures fittings and mounts.
Threaded fastener soft Fuel tank Enables Fuel tank: Secures fittings and mounts.
Threaded fastener hard Spark plug Lets the plug seal and be replaced.
Threaded fastener hard Spark plug Enables Spark plug: Lets the plug seal and be replaced.
Timber seasoning material_source Cart Stable timber reduces twisting in vehicle frames and axle supports.
Timber seasoning soft Straightedge Timber seasoning provides a necessary starting point for this page.
Timber seasoning soft Straightedge Enables Straightedge: Timber seasoning provides a necessary starting point for this page.
Timber seasoning material_source Woodworking Seasoned stock improves joinery, wheels, handles, and frames.
Timber seasoning soft Workbench Timber seasoning provides a necessary starting point for this page.
Timber seasoning soft Workbench Enables Workbench: Timber seasoning provides a necessary starting point for this page.
Timber soft Axe Timber provides a necessary starting point for this page.
Timber soft Axe Enables Axe: Timber provides a necessary starting point for this page.
Timber hard Bark Fiber Timber provides a necessary starting point for first trials.
Timber hard Bark Fiber Enables Bark Fiber: Timber provides a necessary starting point for first trials.
Timber hard Bark Timber provides a necessary starting point for first trials.
Timber hard Bark Enables Bark: Timber provides a necessary starting point for first trials.
Timber hard Birch Bark Timber provides a necessary starting point for first trials.
Timber hard Birch Bark Enables Birch Bark: Timber provides a necessary starting point for first trials.
Timber hard Hardwood Timber provides a necessary starting point for first trials.
Timber hard Hardwood Enables Hardwood: Timber provides a necessary starting point for first trials.
Timber soft Loom Timber provides a necessary starting point for this page.
Timber soft Loom Enables Loom: Timber provides a necessary starting point for this page.
Timber soft Saw Timber provides a necessary starting point for this page.
Timber soft Saw Enables Saw: Timber provides a necessary starting point for this page.
Timber hard Softwood Timber provides a necessary starting point for first trials.
Timber hard Softwood Enables Softwood: Timber provides a necessary starting point for first trials.
Timber material_source Timber seasoning Seasoning begins with suitable wood stock.
Timber material_source Timber seasoning Seasoning starts with timber selected for grain, size, and defects.
Timber material_source Woodworking Woodworking depends on selected, sound, workable wood.
institutional Petroleum Moves petroleum from source regions to workshops.
institutional Vulcanized rubber Connects tropical rubber sources to industrial factories.
Transmission hard Planetary transmission Provides the power-transfer role.
Transmission hard Planetary transmission Enables Planetary transmission: Provides the power-transfer role.
Try-square measurement Alignment checking Squares check whether assemblies remain true.
Try-square soft Mortise and tenon Try-square provides a necessary starting point for this page.
Try-square soft Mortise and tenon Enables Mortise and tenon: Try-square provides a necessary starting point for this page.
Try-square measurement Technical drawing Right-angle tools make drawings and templates more dependable.
test Lubricating oil Screens flow and film behavior without modern instruments.
Vulcanized rubber hard Pneumatic tire Provides durable elastic tire material.
Vulcanized rubber hard Pneumatic tire Enables Pneumatic tire: Provides durable elastic tire material.
Water-jacket cooling safety Internal combustion engine Removes heat to protect moving parts.
Water-jacket cooling safety Internal combustion engine Enables Internal combustion engine: Removes heat to protect moving parts.
Water-jacket cooling hard Radiator Defines the engine cooling loop.
Water-jacket cooling hard Radiator Enables Radiator: Defines the engine cooling loop.
Water pump soft Water-jacket cooling Can force circulation where thermosiphon is insufficient.
Water pump soft Water-jacket cooling Enables Water-jacket cooling: Can force circulation where thermosiphon is insufficient.
Water settling test test Abrasive grit Settling and washing help sort grit by size and remove clay or silt.
Water settling test test Abrasive grit Settling helps remove mud and sort grit by size.
Water settling test test Ceramic temper Settling helps sort and compare fine additions.
Water settling test test Ceramic temper Settling helps compare sand, grog, and other additions.
Water settling test soft Chalk Water settling test provides a necessary starting point for this page.
Water settling test soft Chalk Enables Chalk: Water settling test provides a necessary starting point for this page.
Water settling test test Clay Separates clay-rich fines from sand, silt, and organic debris.
Water settling test test Clay Settling helps identify and refine clay-rich sediment.
Water settling test hard Ochre Water settling test provides a necessary starting point for this page.
Water settling test hard Ochre Enables Ochre: Water settling test provides a necessary starting point for this page.
Water settling test test Paper Helps separate pulp quality and grit.
Water settling test test Paper Enables Paper: Helps separate pulp quality and grit.
Water settling test soft Sieve grading Water settling test provides a necessary starting point for this page.
Water settling test soft Sieve grading Enables Sieve grading: Water settling test provides a necessary starting point for this page.
Water settling test hard Stone Water settling test provides a necessary starting point for this page.
Water settling test hard Stone Enables Stone: Water settling test provides a necessary starting point for this page.
Water settling test soft Wood ash Water settling test provides a necessary starting point for this page.
Water settling test soft Wood ash Enables Wood ash: Water settling test provides a necessary starting point for this page.
Water soft Barrel Water provides a necessary starting point for repeatable work.
Water soft Barrel Enables Barrel: Water provides a necessary starting point for repeatable work.
Water hard Brine Water provides a necessary starting point for first trials.
Water hard Brine Enables Brine: Water provides a necessary starting point for first trials.
Water soft Bucket Water provides a necessary starting point for repeatable work.
Water soft Bucket Enables Bucket: Water provides a necessary starting point for repeatable work.
Water material_source Clay Clay processing needs water for slaking, settling, forming, and tests.
Water soft Coopering Water provides a necessary starting point for repeatable work.
Water soft Coopering Enables Coopering: Water provides a necessary starting point for repeatable work.
Water hard Dyeing Water provides a necessary starting point for first trials.
Water hard Dyeing Enables Dyeing: Water provides a necessary starting point for first trials.
Water safety Firekeeping Water or wet material helps control accidental spread where available.
Water safety Firekeeping Enables Firekeeping: Water or wet material helps control accidental spread where available.
Water hard Flaxseed Oil Water provides a necessary starting point for first trials.
Water hard Flaxseed Oil Enables Flaxseed Oil: Water provides a necessary starting point for first trials.
Water material_source Hide glue Glue extraction, cleaning, and use all depend on water.
Water material_source Hide glue Enables Hide glue: Glue extraction, cleaning, and use all depend on water.
Water material_source Ink Many inks need water for extraction, dispersion, or tool cleaning.
Water hard Level trough Water provides a necessary starting point for this page.
Water hard Level trough Enables Level trough: Water provides a necessary starting point for this page.
Water hard Milk Casein Water provides a necessary starting point for first trials.
Water hard Milk Casein Enables Milk Casein: Water provides a necessary starting point for first trials.
Water hard Oak Gall Water provides a necessary starting point for first trials.
Water hard Oak Gall Enables Oak Gall: Water provides a necessary starting point for first trials.
Water material_source Paper Paper making depends on soaking, washing, pulping, and sheet forming.
Water hard Plant Dye Water provides a necessary starting point for first trials.
Water hard Plant Dye Enables Plant Dye: Water provides a necessary starting point for first trials.
Water hard Reed Water provides a necessary starting point for this page.
Water hard Reed Enables Reed: Water provides a necessary starting point for this page.
Water hard Rush Water provides a necessary starting point for this page.
Water hard Rush Enables Rush: Water provides a necessary starting point for this page.
Water hard Salt Water provides a necessary starting point for first trials.
Water hard Salt Enables Salt: Water provides a necessary starting point for first trials.
Water hard Soap Water provides a necessary starting point for first trials.
Water hard Soap Enables Soap: Water provides a necessary starting point for first trials.
Water hard Starch Paste Water provides a necessary starting point for first trials.
Water hard Starch Paste Enables Starch Paste: Water provides a necessary starting point for first trials.
Water hard Tannin Bark Water provides a necessary starting point for first trials.
Water hard Tannin Bark Enables Tannin Bark: Water provides a necessary starting point for first trials.
Water hard Tanning Water provides a necessary starting point for first trials.
Water hard Tanning Enables Tanning: Water provides a necessary starting point for first trials.
Water hard Vinegar Water provides a necessary starting point for first trials.
Water hard Vinegar Enables Vinegar: Water provides a necessary starting point for first trials.
Water material_source Water-jacket cooling Provides coolant.
Water material_source Water-jacket cooling Enables Water-jacket cooling: Provides coolant.
Water material_source Water settling test Water is the separating medium.
Water material_source Water settling test Settling tests need clear vessels and water as the separating medium.
Water hard Willow Water provides a necessary starting point for this page.
Water hard Willow Enables Willow: Water provides a necessary starting point for this page.
alternative Rolling mill Can provide early mill power.
Weaving material_source Bicycle Woven straps, pads, and tension members can support early prototypes.
Weaving alternative Leather Woven straps and cloth can replace leather in some low-wear uses.
Weaving hard Loom Weaving provides a necessary starting point for this page.
Weaving hard Loom Enables Loom: Weaving provides a necessary starting point for this page.
Weaving hard Shuttle Weaving provides a necessary starting point for this page.
Weaving hard Shuttle Enables Shuttle: Weaving provides a necessary starting point for this page.
Wheel and axle enables Bicycle Later human-powered transport depends on reliable wheels and axles.
Wheel and axle hard Bicycle Supplies the rotating transport foundation.
Wheel and axle enables Cart The wheel and axle become a load-carrying transport system.
Wheel and axle hard Cart Provides the rolling support.
Wheel and axle hard Plain bearing Provides the rotating shaft problem that bearings solve.
Wheel and axle hard Plain bearing Enables Plain bearing: Provides the rotating shaft problem that bearings solve.
Wheel and axle hard Potter's wheel Provides the rotating platform and shaft idea.
Wheel and axle hard Potter's wheel Enables Potter's wheel: Provides the rotating platform and shaft idea.
Wheel and axle enables Pulley A grooved wheel changes the direction of a rope force.
Wheel and axle hard Pulley Provides the rotating sheave and bearing idea.
Wheel and axle hard Spoked wheel Supplies the hub, rim, and rolling-load problem.
Wheel and axle hard Spoked wheel Enables Spoked wheel: Supplies the hub, rim, and rolling-load problem.
Wheel and axle hard Steering gear Provides vehicle wheel geometry.
Wheel and axle hard Steering gear Enables Steering gear: Provides vehicle wheel geometry.
Wire Drawing hard Chain Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Chain Enables Chain: Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Hinge Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Hinge Enables Hinge: Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Latch Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Latch Enables Latch: Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Nail Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Nail Enables Nail: Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Rivet Wire Drawing provides a necessary starting point for first trials.
Wire Drawing hard Rivet Enables Rivet: Wire Drawing provides a necessary starting point for first trials.
Woodworking soft Adze Woodworking provides a necessary starting point for this page.
Woodworking soft Adze Enables Adze: Woodworking provides a necessary starting point for this page.
Woodworking hard Animal Harness Woodworking provides a necessary starting point for first trials.
Woodworking hard Animal Harness Enables Animal Harness: Woodworking provides a necessary starting point for first trials.
Woodworking hard Barrel Woodworking provides a necessary starting point for first trials.
Woodworking hard Barrel Enables Barrel: Woodworking provides a necessary starting point for first trials.
Woodworking tooling Bicycle Enables early wooden frames, wheel parts, jigs, and repair fixtures.
Woodworking tooling Bicycle Supports early frames, rims, jigs, and handles.
Woodworking soft Brickmaking Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Brickmaking Enables Brickmaking: Woodworking provides a necessary starting point for repeatable work.
Woodworking hard Bucket Woodworking provides a necessary starting point for first trials.
Woodworking hard Bucket Enables Bucket: Woodworking provides a necessary starting point for first trials.
Woodworking tooling Cart Builds the frame, bed, axle supports, and handles.
Woodworking tooling Cart Supplies the frame, bed, axle supports, and repairs.
Woodworking soft Clamp Woodworking provides a necessary starting point for this page.
Woodworking soft Clamp Enables Clamp: Woodworking provides a necessary starting point for this page.
Woodworking hard Coopering Woodworking provides a necessary starting point for first trials.
Woodworking hard Coopering Enables Coopering: Woodworking provides a necessary starting point for first trials.
Woodworking hard Drying rack Woodworking provides a necessary starting point for this page.
Woodworking hard Drying rack Enables Drying rack: Woodworking provides a necessary starting point for this page.
Woodworking hard Hoe Woodworking provides a necessary starting point for first trials.
Woodworking hard Hoe Enables Hoe: Woodworking provides a necessary starting point for first trials.
Woodworking soft Hurdle Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Hurdle Enables Hurdle: Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Level trough Woodworking provides a necessary starting point for this page.
Woodworking soft Level trough Enables Level trough: Woodworking provides a necessary starting point for this page.
Woodworking soft Peg joint Woodworking provides a necessary starting point for this page.
Woodworking soft Peg joint Enables Peg joint: Woodworking provides a necessary starting point for this page.
Woodworking tooling Plain bearing Makes early wooden housings, shafts, and replaceable sleeves.
Woodworking tooling Plain bearing Enables Plain bearing: Makes early wooden housings, shafts, and replaceable sleeves.
Woodworking soft Plastering Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Plastering Enables Plastering: Woodworking provides a necessary starting point for repeatable work.
Woodworking hard Plow Woodworking provides a necessary starting point for first trials.
Woodworking hard Plow Enables Plow: Woodworking provides a necessary starting point for first trials.
Woodworking tooling Potter's wheel Builds the turntable, support frame, and shaft parts.
Woodworking tooling Potter's wheel Enables Potter's wheel: Builds the turntable, support frame, and shaft parts.
Woodworking hard Shovel Woodworking provides a necessary starting point for first trials.
Woodworking hard Shovel Enables Shovel: Woodworking provides a necessary starting point for first trials.
Woodworking soft Shuttle Woodworking provides a necessary starting point for this page.
Woodworking soft Shuttle Enables Shuttle: Woodworking provides a necessary starting point for this page.
Woodworking hard Sickle Woodworking provides a necessary starting point for first trials.
Woodworking hard Sickle Enables Sickle: Woodworking provides a necessary starting point for first trials.
Woodworking hard Sled Woodworking provides a necessary starting point for first trials.
Woodworking hard Sled Enables Sled: Woodworking provides a necessary starting point for first trials.
Woodworking tooling Spoked wheel Shapes hub, spokes, rim segments, joints, and repair wedges.
Woodworking tooling Spoked wheel Enables Spoked wheel: Shapes hub, spokes, rim segments, joints, and repair wedges.
Woodworking soft Thatching Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Thatching Enables Thatching: Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Tile Making Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Tile Making Enables Tile Making: Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Wattle and Daub Woodworking provides a necessary starting point for repeatable work.
Woodworking soft Wattle and Daub Enables Wattle and Daub: Woodworking provides a necessary starting point for repeatable work.
Woodworking hard Wheel and axle Shape the wheel, axle, hub, and supporting frame.
Woodworking tooling Wheel and axle Shapes wheels, hubs, axles, and frames.
Woodworking hard Workbench Woodworking provides a necessary starting point for this page.
Woodworking hard Workbench Enables Workbench: Woodworking provides a necessary starting point for this page.
Woodworking hard Yoke Woodworking provides a necessary starting point for first trials.
Woodworking hard Yoke Enables Yoke: Woodworking provides a necessary starting point for first trials.
Workbench tooling Drill press Supports clamping and layout.
Workbench tooling Drill press Enables Drill press: Supports clamping and layout.
Workbench tooling Lathe Provides stable support and layout culture.
Workbench tooling Lathe Enables Lathe: Provides stable support and layout culture.
Workshop organization soft Bridge Trestle Workshop Organization provides a necessary starting point for repeatable work.
Workshop organization soft Bridge Trestle Enables Bridge Trestle: Workshop Organization provides a necessary starting point for repeatable work.
Workshop organization soft Drainage Ditch Workshop Organization provides a necessary starting point for repeatable work.
Workshop organization soft Drainage Ditch Enables Drainage Ditch: Workshop Organization provides a necessary starting point for repeatable work.
Workshop organization institutional Factory assembly line Provides task assignment and shared tools.
Workshop organization institutional Factory assembly line Enables Factory assembly line: Provides task assignment and shared tools.
Workshop organization soft Road Building Workshop Organization provides a necessary starting point for repeatable work.
Workshop organization soft Road Building Enables Road Building: Workshop Organization provides a necessary starting point for repeatable work.
Workshop organization soft Saw pit Workshop organization provides a necessary starting point for this page.
Workshop organization soft Saw pit Enables Saw pit: Workshop organization provides a necessary starting point for this page.
Workshop records knowledge Apprenticeship Records help turn teaching into repeatable curriculum.
Workshop records optional Apprenticeship Written or mnemonic records strengthen training but are not mandatory.
Workshop records hard Batch labeling Workshop records provides a necessary starting point for this page.
Workshop records hard Batch labeling Enables Batch labeling: Workshop records provides a necessary starting point for this page.
Workshop records soft Beeswax Workshop records provides a necessary starting point for this page.
Workshop records soft Beeswax Enables Beeswax: Workshop records provides a necessary starting point for this page.
Workshop records hard Crop Rotation Workshop records provides a necessary starting point for first trials.
Workshop records hard Crop Rotation Enables Crop Rotation: Workshop records provides a necessary starting point for first trials.
Workshop records soft Flaxseed Oil Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Flaxseed Oil Enables Flaxseed Oil: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Milk Casein Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Milk Casein Enables Milk Casein: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Moisture Test Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Moisture Test Enables Moisture Test: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Oak Gall Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Oak Gall Enables Oak Gall: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Plant Dye Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Plant Dye Enables Plant Dye: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Proof Load Test Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Proof Load Test Enables Proof Load Test: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Public safety Workshop records provides a necessary starting point for this page.
Workshop records soft Public safety Enables Public safety: Workshop records provides a necessary starting point for this page.
Workshop records institutional Quality-control records Provides durable production notes.
Workshop records institutional Quality-control records Enables Quality-control records: Provides durable production notes.
Workshop records hard Seed Selection Workshop records provides a necessary starting point for first trials.
Workshop records hard Seed Selection Enables Seed Selection: Workshop records provides a necessary starting point for first trials.
Workshop records institutional Standard weights Standards need records of masters, copies, and checks.
Workshop records soft Starch Paste Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Starch Paste Enables Starch Paste: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Tannin Bark Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Tannin Bark Enables Tannin Bark: Workshop records provides a necessary starting point for repeatable work.
Workshop records institutional Technical drawing Drawing archives depend on storage and retrieval habits.
Workshop records soft Vinegar Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Vinegar Enables Vinegar: Workshop records provides a necessary starting point for repeatable work.
Workshop records soft Workshop organization Workshop records provides a necessary starting point for this page.
Workshop records soft Workshop organization Enables Workshop organization: Workshop records provides a necessary starting point for this page.
Writing soft Batch labeling Writing provides a necessary starting point for this page.
Writing soft Batch labeling Enables Batch labeling: Writing provides a necessary starting point for this page.
Writing soft Clay tablet records Writing provides a necessary starting point for this page.
Writing soft Clay tablet records Enables Clay tablet records: Writing provides a necessary starting point for this page.
Writing institutional Ink Ink is useful when marks need to be repeated and taught.
Writing institutional Ink Enables Ink: Ink is useful when marks need to be repeated and taught.
Writing institutional Paper Durable demand for records justifies the labor.
Writing institutional Paper Writing creates demand for cheap record media.
Writing knowledge Quality-control records Allows shared labels and instructions.
Writing knowledge Quality-control records Enables Quality-control records: Allows shared labels and instructions.
Writing institutional Sanitation norms Written rules and logs help public-health practices persist.
Writing optional Sanitation norms Written rules and logs help norms persist across households.
Writing knowledge Service manual Enables repeatable instructions.
Writing knowledge Service manual Enables Service manual: Enables repeatable instructions.
Writing institutional Technical drawing Drawings need labels, dimensions, and revision notes.
Writing knowledge Technical drawing Labels, dimensions, and revision notes make drawings durable.
Writing knowledge Workshop records Durable records require a writing system or equivalent marks.
Writing knowledge Workshop records Enables Workshop records: Durable records require a writing system or equivalent marks.

Missing prerequisites (40)

These slugs are referenced by existing pages but have no source file yet. Each one renders at /missing/<slug>/ and links to a GitHub page request.

Validator diagnostics (97)
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