Storage reservoir walls ____.
A. are designed to store water for future use
B. are capable of absorbing water and drying out without damage to the structure
C. cannot absorb water without risking structural damage
D. can absorb a small amount of water but risk structural damage
Answer: B
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____________________ generating equipment for home installation is now available from several manufacturers and can be installed by a professional service or by the homeowner.
Fill in the blank(s) with the appropriate word(s).
Which of the following is required on any building that has parapet walls or any other construction that extends above the roof?
a. controlled-flow systems b. siphonic roof drains c. secondary roof drains d. downspouts
Before most roller bearings can be installed onto a shaft, they first must be ____.
A. lubricated B. painted C. tested D. heated
Visible lines, also called object lines or outlines, describe the visible surface or edge of the object, and are drawn .2 in. (0.6 mm) wide.
Answer the following statement true (T) or false (F)