Give three uses of each of the following synthetic fibres. 1. Rayon: (i) (ii) (iii) 2. Nylon: (ii) (iii) 3. Terylene: (i) (ii) (iii) 4. Acrylic: (i) (ii) (iii)
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something that makes vision possible. b : the sensation aroused by stimulation of the visual receptors. c : electromagnetic radiation of any wavelength that travels in a vacuum with a speed of 299,792,458 meters (about 186,000 miles) per second specifically : such radiation that is visible to the human eye.
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