Building materials consisting of glass; clear glass for building purposes; glass building materials; glass doors; glass elements for building panels; glass elements for windows; glass for the windows of buildings; glass for windows; glass for windows in buildings; glass in sheet form for use in doors; glass in sheet form for use in windows; glass panels for doors; glass panels for windows; glass screens; glass windows; multilayer safety glass for glazing buildings; safety glass; safety glass for building; window glass for building; window glass for use in building; window glass for use in construction; windows made of laminated safety glass for buildings