Distinguish between.
a.Manmade material and natural material
b. Thermoplastic and thermosetting plastic.
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a.Manmade material and natural material
Natural fabrics, like merino wool, cotton, cashmere, and silk, are made of fibers that are produced by animals and plants. Synthetic fabrics, like polyester, nylon and acrylic, are "man-made" fibers that are created in laboratories.
b. Thermoplastic and thermosetting plastic.
The primary difference between the two is that Thermoset is a material that strengthens when heated, but cannot be remolded or heated after the initial forming, while thermoplastics can be reheated, remolded, and cooled as necessary without causing any chemical changes.
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