Assembly Line

What are electrical transformers made of?

Electrical transformers take sheet steel, copper wire and steel directly. Trace them back and you pass 17 made things on the way to 14 raw materials.

How electrical transformers are made See it on the map

What goes straight in

From the ground: 14 raw materials

Made along the way: 14 things

Metals 7

Chemicals and fuels 6

Electronics 1