____ are tough, high in strength, and have good chemical resistance.
A. Cellulosics
B. Nylons
C. Polycarbonates
D. Fluorocarbons
Answer: B
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underlayment commonly used in steep roofs is _________.
A) No. 1 asphalt-treated fiberglass felt. B) No. 30 asphalt-treated organic felt. C) No. 15 asphalt-treated organic felt. D) A and B. E) B and C.
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Horses do not develop colic as other domesticated animals do
Indicate whether the statement is true or false.
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Which term applies to oxen?
a. bull c. steer b. cull d. draft
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Four tools that are needed to properly prepare and thread steel pipe are the pipe cutter, reamer, threader, and ____________________.
Fill in the blank(s) with the appropriate word(s).
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