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More Mining Engineering Questions
Detonetor once inserted into a . . . . . . . . cartridge shall not be taken at
The stress cells are used to measure . . . . . . . . in u/g mines.
In every coal seam arrangements shall be made once in at least every . . . . . . . . days to ascertain the atmospheric condition behind the stoppings built to seal of the area of workings, unless such stopings are capable of resisting force of an explosion.
Example for precious mineral.
In an underground coal mine, a freshly exposed roof can be supported by a temporary support in the form of