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Consider the following pairs of plastics and their  distinct characteristics     

1.   Acrylics … Very good transparency to light

2.   Polycarbonate … Poor impact resistance

3. PTEE … Low coefficient fatigue strength

Which of these statements are correct?

(a) 2 and 3                      (b) 1 and 3

(c) 1 and 4                      (d) 2 and 4

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