Question

LESSON 3: FIBER TO FABRIC
I. ANSWER IN 3 - 4 SENTENCES
1. What is fleece?
2. What are fibers? How are they useful?
3. What are artificial fibers?
4.What is selective breeding?
5. Name the different types of food that the wool yielding animals are provided?
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6. Why are the sheep sheared during summer?
7. What are blurs? Why are they removed?
8. Mention the steps in processing fiber into wool.
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Answer 1

Materials used for making clothes are known as fibres. Fibres are very thin, thread like strands from which fabrics (or cloth) are made. Cotton, nylon, wool., etc., are all fibres. ... The process of arranging two sets of yarn together to make a fabric is called weaving.

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Answer 2

1. A fleece is a sheep's coat. A person's coat can be called a fleece, too, if it comes from a sheep or goat or a yak or even if it just looks like it did. ... You can also use fleece in an informal way to mean cheating someone.

2. The scrub-brush effect of fiber helps clean out bacteria and other buildup in your intestines, and reduces your risk for colon cancer. Fiber helps keep you regular. A high-fiber diet helps you have soft, regular bowel movements, reducing constipation.

3. Synthetic fabrics and textiles made from man-made rather than natural fibres. Some examples of synthetic fabrics are polyester, acrylic, nylon, rayon, acetate, spandex, latex and Kevlar. Synthetic fibres are made by the joining of monomers into polymers by the process of polymerization.

4. Selective breeding involves choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics. Humans have selectively bred plants and animals for thousands of years including: crop plants with better yields.

5. Apart from grazing sheep, rearers also feed them on a mixture of pulses, corn, jowar, oil cakes (material left after taking out oil from seeds) and minerals. In winter, sheep are kept indoors and fed on leaves, grain and dry fodder.

6. Shearing is done in summers i.e. during hot weather because sheep can survive without their protective coat of hair. Sheep are usually found in hilly and cold region. Shearing is done in summers i.e. during hot weather because sheep can survive without their protective coat of hair.

8.

• Shearing: The tleece of the sheep along with a thin layer of skin is removed from its body.

• Scouring: The sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt.

• Sorting: The hairy skin is sent to a factory where hair of different textures are separated or sorted.