Question

2. Fill in the blanks:-
(a) Threads are made of .........
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Answer 1

Answer:

cotton or cloth material

Answer 2

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Fibers used to make industrial sewing threads come from two major sources: Natural Fibers- Come from plants or animals and are spun or twisted into yarns. Cotton is the most common natural fiber used to make thread. Other natural fibers include rayon, Lyocel®, silk, wool, jute, ramie, hemp, and linen.