ALTAIR

Windows and window frames of metal, doors and door frames of metal, metal louvres, louvre window frame parts and accessories of metal, window and door fittings of metal,[ metal hinges], metal handles, metal knobs, [metal locks, window stays of metal,] louvre operating mechanisms of metal

Windows and window frames not of metal, doors and door frames not of metal, [window glass,] glass window louvres, wooden window louvres, window and door fittings not of metal