THE EE WAS REPAIRING THE 14CM10-10DX JOY CONTINUOUS MINER. HE WAS REPALCING A PIN AND BUSHING ON THE CONTINOUOS MINER AND IN ORDER TO GET THE PIN TO FIT PROPERLY HE DECIDED TO LEVEL THE MINER BY STARTING THE MINER AND SWUMPING THE HEAD OF THE CONTINUOUS MINER COWN INTO THE PAVEMENT. AS THE DRUM WAS ROTATING THE BITS SOMEHOW CONTACTED THE HOSES THAT WERE ATTACHED TO THE OXYGEN AND A