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More Mining Engineering Questions
The air does not contain more than . . . . . . . . percentage of CO 2 .
Bore hole deveation is . . . . . . . . degree from 30 m.
The VOD of primer in m/sec in m/sec
The maximum length: diameter ratio used in VCR mining is . . . . . . . .
It is important factor of explosive when selecting an explosive for a perticular use.