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Marcoism7 Marcoism7
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Posts: 832
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6 years ago
What is a course?
 
  A. Concrete blocks laid vertically on end
  B Bricks used in combination with concrete blocks
  C. Bricks laid on top of each other in a vertical layer
  D. Masonry units laid side by side in a horizontal layer
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wrote...
6 years ago
D
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