1. It is possible to extrude straight gears; can helical gears also be extruded? Explain. 2. What is

1. It is
possible to extrude straight gears; can helical gears also be extruded?
Explain.

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1. It is possible to extrude straight gears; can helical gears also be extruded? Explain. 2. What is
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2. What is
the difference between piping and bambooing?

3. Explain
why extrusion is a batch, or semi continuous, process. Do you think it can be
made into a continuous process? Explain.