17
Fire resistant and fire preventive panels; fire resistant
and fire preventive stopping panels; thermal insulation
articles and materials; smoke curtains
19
Building glass; fireproof doors, not of metal; clear glass
for building purposes; window glass, other than vehicle
window glass; non-metal window screens; insulating doors of
non-metallic materials; safety doors, not of metal; glazed
doors, not of metal; glass doors; glass panels; security
glass for use in building; doors made of glass for
buildings; thermal insulating glass for use in building;
doors, gates, windows and window coverings, not of metal;
buildings, not of metal; framework, not of metal, for
building; partitions, not of metal; walls (non-metallic -);
building and construction materials and elements, not of
metal; window glass; layered glass; structural elements of
glass
21
Unworked and semi-worked glass, not specified for use;
semi-worked glass; semi-finished safety glass; glass,
unworked or semi-worked, except building glass; modified
sheet glass [not for building]; common sheet glass [not for
building]; unworked glass; heat reflecting glass
[semi-worked]; heat protective glass (semi-worked -); glass
sheets