Assembly Line

What is barbed wire made of?

Barbed wire takes steel, zinc and steel wire directly. Trace them back and you pass 15 made things on the way to 13 raw materials.

How barbed wire is made See it on the map

What goes straight in

From the ground: 13 raw materials

Made along the way: 12 things

Metals 5

Chemicals and fuels 6

Electronics 1