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Mining Engineering Opencast Mining Difficulty: Medium

Unless specially permitted by Chief Inspector of DGMS, on road shall have a grediant steeper than

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The boundries of the mines shall not be changed except with the . . . . . . . . permission of the chief inspector. Thawing means Catalysist which changes CO to P - V curve showing the relationship between fan drift w.g and . . . . . . . . The number of plates movable in kings safety detaching hook . . . . . . . .