Efflorescence in masonry refers to _______.
A) yellow spots in masonry walls.
B) excessive chippage of masonry units.
C) excessive warpage of masonry units.
D) white spots in masonry walls.
E) none of the above.
D) white spots in masonry walls.
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A. 1507 lbs B. 356 lbs C. 754 lbs D. 2200 lbs
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A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B