THE DRILL OPERATOR HAD LOOSENED THE ELECTRICAL PANEL ON DRILL AND PROPPED PANEL ON A CAN OF ETHER. EE WAS INSTALLING A CB RADIO IN DRILL WHERE THE CONNECTIONS WERE BEHIND THIS PANEL. HE APPARENTLY BUMPED THE PANEL AND THE CAN ROLLED AGAINST THE WIRES CAUSING THE CAN TO EXPLODE AND SETTING EE ON FIRE. EE WAS BURNED ON BOTH THE RIGHT AND LEFT INNER THIGHS.