Aerated autoclaved concrete construction materials and elements; aerated autoclaved concrete wall blocks applicable with thin bed mortar and regular mortar, floor blocks, reinforced load bearing panels, prefabricated constructions, aerated autoclaved concrete slag, ready-mixed plasters and mortars, natural composite stones, quartz based natural composite stones and faience tiles, granite and quartz based stones, granites, engineered granites, granite stones (all of which are included in this class); sand, gravel, mosaic, cover stone; dry mixtures (aggregates) prepared with natural materials such as sand stone, sand, gravel and similar materials, aquarium sands, lime; natural stones, engineered stones, natural marbles, marble based engineered stones; engineered stones for decorative construction; flooring and surface covering, internal and external cladding made of natural or engineered stones; tiles, faiences, paving stones, curbstones; agglomerated stone, engineered stone, compound stone, composite stone, engineered quartz; construction elements not made of metal; stone or marble, natural or synthetic surface coatings in the shape of strips or plates, synthetic coatings that can be bonded by heat