Which of the following is an advantage of precast concrete?
a) Precast concrete is more durable
b) Precast concrete is always cheaper than cast-in-place
c) Precast concrete is more resistant to extreme temperatures
d) Precast concrete is easier to install
Answer: a) Precast concrete is more durable
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Fill in the blank(s) with the appropriate word(s).
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a. scroll compressor b. reciprocating compressor c. centrifugal compressor d. screw compressor
You are driving on the freeway behind a large truck. You should drive:
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A. practical B. electrical C. electronical D. electric