THE EE WAS DRILLING & NOTICED THAT HIS DRILL STEEL NEEDED CHANGING OUT. HE WAS ATTEMPTING TO LOOSEN THE STEEL & STRUCK IT WITH HIS MINERS WRENCH. A PIECE OF STEEL BROKE OFF OF THE WRENCH, STRI KING HIM IN THE ARM, CUTTING IT. THE EE WAS TRANSPORTED TO THE E.R. & THE WOUND WAS CLOSED WITH SUTURES. HE WAS RELEASED TO FULL DUTY.