1. Some people will attend to boiling and stirring something in large pots. (Fig. )
2. Cocoons are being boiled in water.
3. Cocoons are boiled to get silk fibre.
4. Caterpillar of silk worm spins fibre which is mainly made up of two types of protein (sirisine and fibroin) and is very strong.
5. The cocoons have to be boiled to loosen the fibre to be able to reel it.
6. Obtaining silk fibre from cocoon is called reeling. It is done with special machines called reelers and twisters.
7. The silk fibre is carefully collected from the cocoon and nearly 3 to 18 of such threads are wound together to make yarn from it which is reeled (Fig. )
