STOWING CYLINDER USED FOR LOESCHE MILL. TOWMOTOR OPR. HAD CYLINDER SUSPENDED W/FORKS AND WAS MOVING IT INTO PLACE. CYLINDER BEGAN TO TEETER. EMP. CLIMBED ONTO SHELNG AREA TO ATTEMPT TO STABLIZ E CYCLINDER. PALLET HE WAS STANDING ON GAVE WAY.IN ATTEMPT TO BREAK HIS FALL, HE GRABBED ONTO THE SHELVING WITH LEFT HAND. POSIBLITY OF SURGERY.