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Mining Engineering
Coal Mining Regulation In India
Difficulty: Medium
'T'h'e' 's't'a't'e' 'o'f' 'e'v'e'r'y' 'b'u'f'f'e'r',' 'd'r'a'w'b'a'r' 'o'f' 't'u'b',' 's'a'f'e't'y' 'c'a't'c'h',' 'c'o'u'p'l'i'n'g' 'c'h'a'i'n's' 'a'r'e' 'e'x'a'm'i'n'e'd' 'o'n'c'e' 'a't'l'e'a's't' 'i'n' 'e'v'e'r'y' '.' '.' '.' '.' '.' '.' '.' '.' 'd'a'y's' 'b'y' 'c'o'm'p'e't'e'n't' 'p'e'r's'o'n'.'
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