Meaning Underground mining
What does Underground mining mean? Here you find 3 meanings of the word Underground mining. You can also add a definition of Underground mining yourself
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Underground miningUnderground mining is used to extract coal that is deep beneath the surface or in seams exposed on hillsides. It involves drilling two openings called shafts into the coal bed—one to transport miners and equipment and the other to bring coal to the surface.
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Underground miningA set of stripping, preparatory and sloped excavation works on a natural resource.
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Underground miningUnderground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those minerals containing metals such as ore containing gold, silver, iron, copper, [..]
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