DURING KILN SHUTDOWN WHILE JACKHAMMERING LOOSE CASTABLE OFF OF WALL IN THE CLINKER COOLER PIT, A PIECE OF LOOSE CASTABLE FELL FROM ABOVE AND STRUCK RIGHT SIDE OF EE'S HARD HAT. INSIDE LIP OF H ATER LACERATED HIS RIGHT FOREHEAD (CUT REQUIRED 11 SUTURES TO CLOSE). RIGHT EYE SWELLED SHUT 24 HOURS LATER DUE TO FOREIGN BODY CONJUNCTIVITIS.