Building glass; building materials, not of metal, namely, wall panels, ceiling panels, weight-supporting corbels, façade panels and stairs; buildings, not of metal, namely, prefabricated non-metal buildings, portable non-metal buildings; wainscotting, not of metal; roof coverings, not of metal; roof coverings, not of metal, incorporating solar cells; window glass not for use as vehicle windows; door panels, not of metal; plate glass, for building; framework, not of metal, for building, namel...