EE SAID THAT AFTER GOING THRU A MANDOOR HE STRUCK HIS HEAD AGAINST ANOTHER BLOCK WALL. CAUSE OF INJURY WAS AWARENESS AND NOT CREATING HEIGHT ON THE OLD WALL. COMPLIANCE WITH RULE/REGS NOT A FA CETOR, PROTECTIVE EQUIP NOT A FACTOR, MINER PROFICIENCY A FACTOR, MINING EQUIP/SYSTEMS NOT A FACTOR.