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Mining Engineering Mining Machinery Difficulty: Medium

Now a days use of CCM has become obsolate due to introduction of

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The equipment that is NOT used in hard rock metal mining drivage is The angle of draw in a trough subsidence helps in determining the The following roads and working places are to be secured In contiguous seam working, the 2 seams must be within A m of each other. A is given by The trapezodial rule assumes that the boundary between the ordenates is . . . . . . . .