Assembly Line

What are safety pins made of?

Safety pins take steel wire, sheet steel, nickel and chromium directly. Trace them back and you pass 27 made things on the way to 21 raw materials.

How safety pins are made See it on the map

What goes straight in

From the ground: 21 raw materials

Made along the way: 23 things

Metals 9

Chemicals and fuels 11

Electronics 1

Food 2