It is difficult to mine beyond the depth of about ____________ meters
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Answered by
8
Answer:
idnjddjfk
Explanation:
1000 meters
Answered by
4
Answer:
AS THERE IS NO FIXED NORM.OR RULE FOR MINE TO
BE AS A DEEP OR A SHALLOW.
BUT ACCORDING TO THEORY OF THUMB EXPLOITATION, MINERALS DEPTH EXCEEDS 300 - 350 METER TO CONSIDER AS DEPTH FOR A DEEP MINE
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