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Answer:
In physics, shearing in continuum mechanics refers to the occurrence of a shear strain, which is a deformation of a material substance in which parallel internal surfaces slide past one another. It is induced by a shear stress in the material.
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Silk has a smooth, soft texture that is not slippery, unlike many synthetic fibers. Silk is one of the strongest natural fibers, but it loses up to 20% of its strength when wet. It has a good moisture regain of 11%. Its elasticity is moderate to poor: if elongated even a small amount, it remains stretched.
Sericulture, also called silk farming, is the process of making silk fibers. It starts by raising silkworms and then processing the fibers they produce.
silk is the delicate string like subsatance that comes from small insects called silk worms. In order to gain silk from these insects they must be killed and their silk winded up tight to make silk that is strong enough to make clothes. This is an expensive process and the silk worms are rare and hard to find.
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Answer:
1.Shearing is the clonning of the sheep's.
2.The important feature of silk thread produced by silk worm that the silk is taken from their body.
3.the rearing of silk from silkworm is called sericulture.
4.silk is a valuable dress material because it is taken from a species of silkworm and due to this they dies, this makes it a valuable dress material.