Which of the following polymer is used in the manufacture of bulletproof material?
A. Nylon 6, 6
B. Rayon
C. Kevlar
D. Dacron
Answer: Option C
A. Nylon 6, 6
B. Rayon
C. Kevlar
D. Dacron
Answer: Option C
The fibers, such as nylon and polyester, that are made from chemical substances are called:
A. Natural fibres
B. Wool
C. Synthetic fibres
D. Silk
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