These are used under a nut or bolt head or at other machinery wear points to serve as a cushion or a bearing surface.
a. threaded insert
b. nut
c. washer
d. dowel pin
c. washer
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By 1775, the ____ were the largest non-English ethnic group in colonial America.
A. Africans B. Germans C. West Indians D. Scots-Irish E. Irish
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Answer the following statement(s) true (T) or false (F)
Asbestos-cement piping is considered a hazardous material and should be removed only by properly trained and qualified individuals.
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Which of the following may be used for water supplies, compressed air, and residential gas distribution??
A. Low-pressure piping systems? B. Medium-pressure piping systems? C. Seamed pipe? D. Spiral pipe?
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A bloodborne _______ is a microorganism that causes disease.
Fill in the blank(s) with the appropriate word(s).
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