THREE WORKERS WERE REMOVING A FINISH MILL SHELL DOOR USING AN OVERHEAD CRANE TO SECURE THE DOOR ONCE THE CRABS HOLDING IT WERE REMOVED. AFTER EXERTING PRESSURE ON THE DOOR SO THAT IT WOULD FAL L A FEW INCHES INTO THE MILL, ONE WORKER GOT TOOCLOSE TO THE CRANE SHEAVE, WHICH HIT HIS SHOULDER. HE LOST HIS BALNCE & FELL HEAD FIRST 4-5' UNTIL CAUGHT BY HIS LANYARD: STRUCK PROTUDING NUTS