THE EE WAS OPERATING THE OVERHEAD CRANE IN THE TANK HOUSE USING A REMOTE CONTROLER. AS HE WALKED BY THE WASH TANK HE WAS STRUCK IN THE HEAD BY A COPPER BAR THAT HAD BEEN REMOVED FROM THE BOTTO M OF THE WASH TANK BY ANOTHER EE. THE BAR SLIPPED OUT OF THE EMPLOYEE'S HANDS AND FELL HITTING THE OTHER EMPLOYEE.