Non-metal building materials, in particular, building slabs; artificial stone; building components made of artificial stone, namely artificial stone veneers; non-metal wall elements, namely, wall classing for building; non-metal window and door lintels; supports in the nature of shoring struts, not made of metal; non-metal supporting structures for buildings, namely beams, pre-fabricated nonmetal architectural columns; non-metal wall building materials, namely prefabricated non-metal walls an...