Articles of glass for building purposes; Building glass; Building materials of glass; Cladding panels made of glass; Clear glass for building purposes; Covered walkways made entirely of glass; Covered walkways of glass and having a non-metallic frame; Fences made of laminated glass; Glass building materials; Glass for building; Glass for use in building; Glass for use in buildings; Glass products for building; Glass roofs; Glass screens; Glass walls; Glazing elements made from glass; Multilayer coated safety glass for glazing buildings; Multilayer coloured safety glass for glazing buildings; Multilayer safety glass for glazing buildings; Roof elements made from building glass; Roof elements made from structural building glass; Safety glass; Safety glass for building; Structures made of glass