Notes on from fibres to wool
Answers
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here is ur answer....
Processing fibres into wool
Step I: The first step is the removal of the fleece of the sheep along with a thin layer of skin. This process is termed as shearing. The hair provides woollen fibres that are then processed to obtain woollen yarn.
Step II: The sheared fleece is systematically washed in tanks in order to remove the grease, dust and dirt. This is known as scouring.
Step III: The scoured hair is then sorted and sent to a factory where hair of different textures are separated or sorted.
Step IV: Here the small fluffy fibres, called burrs, are separated from the hair and the hair is scoured again and dried. The wool is then ready to be drawn into fibres.
Step V: The fibres are dyed into various vibrant colours because the natural colour of the fleece is black, brown or white.
Step VI: The fibres are then straightened, combed and finally rolled into yarn. The longer fibres are made into wool for sweaters whereas the shorter fibres are spun and woven into woollen cloth.
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Cloth is one of our basic needs. Cloth protects us from heat, cold, rain, dust, insects, etc. Clothes also make one civilized and smart. Clothes are made of cloth. Cloth is also known as fabric. Fabric is made of fiber.
Types of Fibre
There are two types of fibre, viz. natural and man-made.
Natural fibers: Natural fibers are obtained from plants and animals; such as jute, cotton, wool, silk, etc.
Man-made fibers: Fibers that are synthesized in laboratory are called man-made fiber, such as terrylene, terry-cotton, acrylic, etc.
Types of Natural fiber:
Natural fibers can be classified into two types – Plant fiber and Animal fiber.
Plant Fiber: Fiber obtained from plants is called plant fiber. For example – cotton, jute, flex, etc.
Animal Fiber: Fiber obtained from animals is called animal fiber. For example: wool and silk.