EE PLACED A CHUTE PORTION TO AN ESCAPE TUBE OPENING ON A 4 WHEELED PULL CART TO BE ROLLED TO THE RECLAIM TUNNEL. THE CHUTE SHIFTED AND KNOCKED THE HANDLE OF THE CART ONTO HIS FOOT. THE EE WAS WEARING STEEL TOPS, BUT WAS NOT WEARING METATARSALS WHICH ARE REQUIRED BY PCC AND WOULD HAVE PREVENTED THE INJURY.