1. An injection-molded nylon gear is found to contain small pores. It is recommended that the… 1 answer below »

1. An
injection-molded nylon gear is found to contain small pores. It is recommended
that the material be dried before molding it. Explain why drying will solve
this problem.

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2. Explain
why operations such as blow molding and film-bag making are performed
vertically.