A laser level is ____ used to measure elevations and depths of excavations.
A) often
B) never
C) always
D) seldom
Correct Answer:
Verified
Q15: The building lines are extended and marked
Q16: Setting up a laser level is very
Q17: Most buildings require some _ (digging) to
Q18: The distance from the front boundary to
Q19: The size of the footing may be
Q20: When all four corners of a rectangle
Q21: In masonry foundations, steps in footings are
Q23: The footings may be shown on the
Q24: The footing may be _ to accommodate
Q25: Sometimes the the concrete footings are placed
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