Assembly Line

What are treadmills made of?

Treadmills take steel pipe, MDF, vulcanized rubber, electric motor and printed circuit board directly. Trace them back and you pass 58 made things on the way to 24 raw materials.

How treadmills are made See it on the map

What goes straight in

From the ground: 24 raw materials

Made along the way: 53 things

Metals 15

Sheet steelSteelZincCopper wireCopperSolderPig ironMagnesiumSteel scrapManganeseSteel wireTinLeadSilverCoke

Metal goods 1

Ball bearing

Chemicals and fuels 26

Paraffin waxAdhesiveCarbon blackOxygen gasQuicklimeArgonSulfuric acidHydrogenNaphthaBenzeneEthyleneStyrenePhenolPropyleneAcetoneChlorineCaustic sodaSoda ashPropaneAmmoniaMethanolNitric acidTolueneCarbon dioxideFormaldehydeCharcoal

Plastics and fibers 7

Synthetic rubberEpoxyFiberglassPolyethyleneAcrylicPolyurethanePhenolic resin

Electronics 2

PhotoresistMetallurgical silicon

Food 2

Baker's yeastMolasses