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the mining is done by digging small holes into the ground much like the holes dug by rats. miners break the rocks with axes and other hand-held equipment and carry out the material in baskets or
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the 20 deadliest jobs in america ranked. at its current fatality rate occupational fatalities in the mining industry occur at more than three times the national average. from fatigue to
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one of the most important aspects of underground hard rock mining is ventilation.ventilation is the primary method of clearing hazardous gases and/or dust which are created from drilling and blasting activity (e.g. silica dust nox) diesel equipment (e.g. diesel particulate carbon monoxide) or to protect against gases that are naturally emanating from the rock (e.g. radon gas).