TWO MAINTENANCE EE WERE REMOVING 992 LOADER BUCKET HEEL PLATE. ONE EE WAS KNOCKING OUT A BOLT THAT HAD BEEN TORCHED OFF. OTHER EE WAS TORCHING THE ONLY OTHER BOLT HOLDING THE PLATE. THE PLATE FELL APPROX 4.5 FT ONTO EE FOOT, JUST ABOVE STEEL TOE. BROKEN BONE IN FOOT