EE WAS ROOF BOLTING: DRILLING A HOLE FOR A BOLT THAT HAD BEEN CUT OUT. HE THEN PUT A WRENCH ON THE DRILL STEEL TO ALIGN IT WITH DRILL POT. HE BUMPED THE ROTATION TO GET THE WRENCH INTO THE DRI LL POT & PUSHED THE ROTATION TO THE ON POSTITIONWHEN HIS WORN GLOVE WAS APPARENTLY PINCHED BETWEEN THE WRENCH BOTTOM & DRILL POT. IT PULLED HIS LEFT ARM AROUNG THE WRENCH, CAUSING A FRACTURE.