Answer to Question 1
Primer coats can both protect and preserve the surface of the part on which they are applied and chemically enhance the bonds that are formed. The preservation of the surface can be especially important if the surface is susceptible to chemical change after it has been treated for adhesion. For instance, the surface may oxidize if left open to the air. The primer may also be a coupling agent to assist in forming good bonds between the adhesive and the plastic to be bonded.
Answer to Question 2
The machining of plastics can be optimized by varying tool shape (design), feed rate, cutting speed, process conditions
A bull elk in spring, shedding its winter coat and with its antlers covered in velvet
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To make an ice pack, place crushed ice in a plastic bag, bleed the air out of it, and seal it. Wrap
Body Part, Method of Examination, and Equipment Used During the General Physical Examination Cont
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