(u
Procedure
10. Complete the matrix.
Step
Shearing
ble
stic
The dyed fibres are passed through metal teeth to
straighten them.
Spinning
The sheared skin with thick coat of hair is then washed
thoroughly in tanks to remove grease dirt and dust.
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Wool comes from sheep, goat, yak and some other animals. These wool-yielding animals bear hair on their body because hair keeps these animals warm and wool is derived from these hairy fibres.
The hairy skin of the sheep has two types of fibres that form its fleece: (i) the coarse beard hair, and (ii) the fine soft under-hair close to the skin.
Some breeds of sheeppossess only fine under-hair. Theirparents are specially chosen to give birthto sheep which have only soft under hair.This process of selecting parentsfor obtaining special characters in theiroffspring, such as soft under hair insheep, is termed ‘selective breeding’.
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