Which one of the following polymers is widely used for making bullet proof material?
(A) Polyvinyl chloride
(B) Polyamides
(C) Polyethylene
(D) Polycarbonates
Answer: D
Which one of the following polymers is widely used for making bullet proof material?
(A) Polyvinyl chloride
(B) Polyamides
(C) Polyethylene
(D) Polycarbonates
Answer: D