Q79
It stone drift, after shots have been fired, all loose rock shall be removed from the face, area lying within a distance of . . . . . . . . m from the face shall be thoroughly cleaned or washed down and carefully examined for presence of sockets.
A.
1.2
AnswerB.
1.5
C.
1.8
D.
2.8
Answer: Option A
Solution
Answer: Option A
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