Metal skylight frames; metal skylight windows; metal skylights for buildings; skylights of metal (windows); roof windows of metal; roof vents of metal; roof fanlights (windows) of metal

Non-metallic roof lights (windows); diffusers for skylights (translucent building materials); mounts of plastic for skylight windows; non-metallic frames for skylights; non-metallic skylights for buildings; plastic skylights; skylights (windows) of non-metallic materials for use in buildings; skylights made from plastic materials for use in buildings; skylights not of metal; translucent building materials for skylights; mounts of plastic for roof windows; non-metallic roof windows; roof windows made of inorganic materials; roof windows made of plastics; roof elements made from building glass; roof elements made from structural building glass; roof fanlights (windows) of non-metallic materials