fire and smoke door and window controls and other door and window control devices; namely, metal door closers, metal exit devices for release of secured doors in emergency situations, metal locks, steel security doors and grilles, pipes and tubes of common metal and their alloys, pipe fittings and tube fittings made of metal, metal doors and door frames, windows and window frames, door and window handles, latches, stops and hinges, all made wholly or principally of common metals and their alloys, steel partitions, steel fire resistant doors, industrial sliding, folding, rolling and sectional doors made of metal, unwrought and partly wrought common metals and their alloys, metal handrails and balustrades, portable buildings of metal, fixed buildings of metal or having metal frames, and parts and fittings therefor

electrically and electromagnetically operated door and window controls and door and window closers; electric exit devices for release of secured doors in emergency situations; fire and smoke detection apparatus; electric and electronic locks; and parts and fittings of all the aforesaid goods

non-metal doors and door frames; non-metal windows and window frames; non-metal partitions; non-metal ceiling and floors; non-metal handrails and balustrades and parts and fittings therefor