Question

19. List the advantages of plastics over metals.
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Answer 1

Metals generally provide the following advantages over plastic fabrication, Heat resistance.

Metals typically have a higher melting-point and are less likely to degrade under elevated temperatures. Improved strength.

Metal grades tend to be stronger, harder, and more durable than their plastic counterparts.

Answer 2

Answer:

1) low cost

2)easily carry

3)lite weight

4) can be compressed

5)bad conductor of electricity

6) no rusting