Assembly Line

What are dumbbells made of?

Dumbbells take pig iron, steel, chromium and vulcanized rubber directly. Trace them back and you pass 32 made things on the way to 20 raw materials.

How dumbbells are made See it on the map

What goes straight in

From the ground: 20 raw materials

Made along the way: 28 things

Metals 6

Chemicals and fuels 18

Plastics and fibers 1

Electronics 1

Food 2