A FORK LIFT OPERATOR AND A WELDER WERE LIFTING VIBRATOR BRACKET TO WELD ONTO A SILO THAT WAS BEING REFURBISHED. SILO WAS LAYING ON ITS SIDE AND THEY WERE USING A LIFTING MAGNET. EE WAS OFF TO THE SIDE OF LIFT AND THE MAGNET RELEASED AND THEN THE BRACKET FELL ABOUT 5FT, RICOCHETED OFF SUPPORT THEN IT CROSSED HIS RIGHT FOOT AT THE BACK OF HIS BOOT HARD TOE AREA.