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
B. 1.5
C. 1.8
D. 2.8
Answer: Option A
This Question Belongs to Mining Engineering >> Mine Legislation And General Safety
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