Stone, granite, marble; artificial stone; stone for building; ceramic tiles and non metallic tiles; non-metallic tiles for building; non metallic mosaic tiles for building; non-metallic building panels; non-metallic claddings for building; non metallic floor tiles; parquet floorings; non-metallic floors; non-metallic paving slabs; non metallic tiles for raised floorings; non-metallic raised floors; non-metallic wall claddings for building; non-metallic wall tiles for building; paving blocks, not of metal; non-metallic roofing panels and tiles; non-metallic drain grates and non metallic grating support for bathtub and swimming pool area; swimming pools (structures); not of metal and parts and fittings thereof; angle irons, not of metal; manhole covers, not of metal; gutter pipes, not of metal; water pipes, not of metal; water-pipes valves, not of metal or plastic; penstock pipes, not of metal; gratings, not of metal; diving boards, not of metal