In the method of trenching, the size of the trench may be:

1.	In the method of trenching, the size of the trench may be:
A.	12 x 5 x 2m
B.	15 x 5 x 3m
C.	12 x 3 x 2m
D.	15 x 5 x 5m
Answer» D. 15 x 5 x 5m

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