While retrieving the 2 piece drill steels from the hole that had been drilled, the 2 sections of steel became stuck together. EE lifted the steels up off of the drill head and dropped the steels back onto the drill head. THE 2 SECTIONS SEPERATED AND THE TOP SECTION FELL FROM THE HOLE AND STRUCK THE BACK SIDE OF RIGHT HAND AND CUTTING THE HAND. 4 STITCHES WERE REQUIRED.