THE EMPLOYEE WAS OPENING AN ACCESS/ INSPECTION DOOR ON LEVEL 8 OF THE PREHEAT TOWER. HE ATTACHEDA COME-A-LONG TO THE DOOR AND RAISED IT. THE RECESSED IN AND HAS TO BE MANHANDLED TO MANUVER IT. AS THE EMPLOYEE WAS PULLING THE DOOR AWAY FROM THE FRAME. HIS RIGHT RING FINGER WAS PINCHED.