We obtain silk by killing the larvae inside by a process called stiffling by putting a lot of these in a steam even for 10 to 15 minutes. Obtaining silk fibre from cocoon is called reeling. It is done with special machines called reelers and twisters. The silk fibre is carefully collected from the cocoon and nearly 3 to 8 of such threads are wounded together to make yarn from it which is reeled. This yarn is cleaned, bleached and colored. This yarn is ready.
Silk fibers are obtained from the cocoon of silk larvae, larvae of the silk moth, which are spun from the cocoon into one, long thread.
silkworms are first boiled in water so their cocoons can die. then the silk is obtained by spreading
silk
silk
The Europeans wanted to buy the silk, manufactured from the silk worms cocoon's by the Chinese.
Varanasi
nylon is obtained by the chemical treatment of wood pulp
Romans thought silk grew on trees instead of being manufactured
it is produced by using the liquid in a silk worms mouth.
I'm not sure what you are asking, since raw silk is a fiber which is obtained from the cocoons of silkworms, but a fiber obtained from plants would be something like cotton, though there are others, too.
Micronutrients.
china was famous for silk. the silk road was used for trading. silk was traded so they called it the silk road.