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Mining Engineering Mining Geology Difficulty: Medium

Deflagration means In VCR, blasting is under taken. Who shall be held responsible for the supply of materials & appliances for the purpose of carrying out of the provisions of the Act & Regulations in mines? 'W'h'e'n' 't'h'e' 'p'e'r'c'e'n't'a'g'e' 'o'f' 'i'n'f'l'a'm'm'a'b'l'e' 'g'a's',' 'i'n' 'g'e'n'e'r'a'l' 'b'o'd'y' 'o'f' 'a'i'r' 'd'o'e's' 'n'o't' 'e'x'c'e'e'd' '.' '.' '.' '.' '.' '.' '.' '.' 'i'n' 'f'i'r's't' 'd'e'g'r'e'e' 'g'a's's'y' 'm'i'n'e'.' In the event of emergency at underground mine Superintendent shall perform rescue & recovery work & within 'A' days shall send a report to the RI or CI of mines. 'A' is given by