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A. To save the cost of metal
B. To allow for the expansion during heat
C. To permit the shrinkage of metal
D. None of the above
Answer
Answer
B. To allow for the expansion during heat
Submitted by: Toheed Ahmed
A. To save the cost of metal
B. To allow for the expansion during heat
C. To permit the shrinkage of metal
D. None of the above
Submitted by: Toheed Ahmed