What is silk made of?
Silk takes silk cocoons, water and hydrogen peroxide directly. Trace them back and you pass 2 made things on the way to 4 raw materials.
How silk is made See it on the map
What goes straight in
From the ground: 4 raw materials
- Silk cocoons goes straight in
- Water goes straight in
- Air through hydrogen peroxide
- Natural gas through hydrogen peroxide, hydrogen