window casements of metal, door casings of metal, door frames of metal, door hardware, namely, keys and key cylinders, door jambs of metal, door panels of metal, doors of metal for indoor use, doorway barriers made of metal, metal door latches, metal door bolts, metal locks, metal door trim, metal door units, metal door viewers, metal doors, metal window frames, metal window pulleys, metal window screens, metal window shutters, metal window sills, metal window trim, metal windows, metal insid...