What are prosthetic legs made of?
Prosthetic legs take 8 things directly, among them plaster of paris, plastic, carbon fiber, epoxy, polypropylene and silicone. Trace them back and you pass 30 made things on the way to 15 raw materials.
How prosthetic legs are made See it on the map
What goes straight in
From the ground: 15 raw materials
- Gypsum through plaster of paris
- Natural gas through plastic
- Air through carbon fiber
- Water through silicone
- Silica sand through silicone
- Titanium ore through titanium
- Crude oil through aluminum
- Coal through aluminum
- Rock salt through epoxy, caustic soda
- Quartz through silicone, metallurgical silicon
- Timber through silicone, metallurgical silicon
- Dolomite through titanium, magnesium
- Bauxite through aluminum, alumina
- Sulfur through titanium, chlorine, sulfuric acid
- Limestone through aluminum, alumina, quicklime
Made along the way: 22 things
Metals 3
Chemicals and fuels 18
NaphthaEthylenePropyleneAmmoniaPhenolAcetoneChlorineCaustic sodaMethanolHydrochloric acidArgonPetroleum cokeHydrogenBenzeneSulfuric acidCharcoalQuicklimeToluene