1. What types of wool exist?
2. Why do we need wool?
3. Why is silk fabric so specific?
4. If we don’t have a silkworm can we substitute this animal for production silk or fabric
close to this one?
5. What is the specific of cotton?
6. What is the process of making cotton?
7. Is it hard to make cotton? Why?
8. How is synthetic differ from other fabrics?
9. What fabric is better (natural or synthetic)? Why?

Margarita200    1   14.05.2020 08:17    10