19
Building and construction materials and elements, not of metal; Structures and transportable buildings, not of metal; Doors, gates, windows and window coverings, not of metal; Common sheet glass for building; Float glass for building; Laminated flat glass [for building]; Building materials consisting of glass; Structural elements of glass; Decorative glass [for building]; Transparent doors of glass for buildings; Window glass, other than vehicle window glass; Fire retarding glass for use in construction; Toughened glass for building; Building glass; Window glass; Glass in sheet form for use in doors; Building bricks (Glass -); Glass elements for windows; Glass panels for building construction; Glass panels for doors; Glass panels; Plate glass [windows] for building; Doors made of glass for buildings; Glass walls; Heat reflecting glass for building; Infrared reflective glass for use in building; Covered walkways made entirely of glass; Cladding panels made of glass
21
Unworked and semi-worked glass, not specified for use; Laminated flat glass [not for building]; Sheets of glass, other than for building; Figured plate glass, not for building; Polished plate glass; Pressed glass; Smoothed plate glass; Unworked glass; Glass, unworked or semi-worked, except building glass; Glass plates; Plaques of glass; Glassware; Anti-reflecting glass; Glass sheets; Semi-worked glass; Glass (Semi-worked -) adapted to absorb ultra-violet radiation; Heat reflecting glass [semi-worked]