Steep-sloped roofs generally have a slope of ____ or higher.
A. 3:12
B. 4:12
C. 5:12
D. 7:12
Answer: A
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A. G21 B. G20 C. G17 D. G16
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The premanufactured support system that consists of two vertical supports with hydraulic bracing between them is a _____.
a. hydraulic shore b. waler system c. shoring shield d. manhole brace
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Is there an accurate balance in nature? What would an accurate balance in nature mean?
What will be an ideal response?
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What color is DEX-COOL coolant?
A) Yellow B) Green C) Orange D) Red
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