WHILE CHANGING THE SLOPE BELT TAIL ROLLER A STEEL BAR WAS BEING USED TO PULL THE SLACK OUT OF THE SLOPE BELT AND ALLOW EXTRA ROOM FOR CHANGING THE TAIL PULLEY. THE LIFTING EYE ATTACHED TO ONE END OF THE STEEL BAR BROKE LOOSE AND ALL ALLOWEDTHE BAR TO SWING AROUND AND STRIKE THE INJURED EMPLOYEE IN THE MOUTH AREA, CAUSING A LIP LACERATION AND KNOCKING OUT TWO TEETH.