Assembly Line

What are seat belts made of?

Seat belts take polyester, steel, sewing thread and plastic directly. Trace them back and you pass 26 made things on the way to 15 raw materials.

How seat belts are made See it on the map

What goes straight in

From the ground: 15 raw materials

Made along the way: 22 things

Metals 5

Chemicals and fuels 13

Plastics and fibers 1

Electronics 1

Food 2