non-metallic building materials, namely, natural and artificial stone; clinker stones for aboveground and underground construction; limestone chips, limestone sand, gravel, powder, and lumps; road construction materials, namely, gravel, chips, and sand, natural stone gravel and chips, paving stones; quicklime, slaked lime; materials for rough-casting, in particular, building surface cements, cement, and gypsum base with or without synthetic additives; mortar and concrete; equalizing bulk material for floors; non-metallic building structures; non-metallic portable buildings; non-metallic structural elements, namely, beams, plates, planks and panels; building material made entirely or predominately of fibrous material; drywalls; plaster boards, boards and wall material made of plaster and fibrous material