'Bonding' in block-laying refers to:
Apaying workers
Bthe pattern in which blocks overlap for strengthCORRECT
Cselling materials
Dmixing concrete
NABTEBBlock-laying & Concreting
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Why the answer is B, and why the others tempt you.
Bonding patterns (English, Flemish, stretcher) ensure overlapping joints for wall strength.
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