6 Metal locks; metal door fittings; metal hinges; [ metal seals for machines, implements, installations, and rooms, namely, cold storage cells, heat storage cells, ovens, heat systems in the nature of central heating and cooling radiators, refrigeration units, heat units for central heating radiators, electric air treatment units, clothes and dish washing machines, clothes and dish washers, clothes and dish dryers, cupboards, lockers, containers, boxes, doors, windows, flaps, medical devices, and furniture; ] metal building materials, namely, locks, door handles, [ safety catches for doors, ] hinges, [ door closing cylinders, ] latches [, snap fits of metal tubing, and pawls being parts of metal latches ] ; ironmongery, namely, [ pipe joints, ball locking pins, bolts, and ] door bolts; small items of metal hardware, namely, [ nuts, washers, fasteners in the nature of bolts, nails, rivets, and screws, clips for general use, keys for locks, padlocks, door lockers, and ] non-electric door closers; [ goods of common metal, namely, clamps, bathtub grab bars, and latch bars; ] and seals for use in doors [ and windows ]