... tiles), timberGranite, marble, sand stone (cautious for black stone)Granite, marble, sand stone, microcrystal stone, ceramic tiles, polished tiles and ... stone, then (green, black or grey) pigments must be addedNot change existing status of base material, ensure the natural ... machine, polishing padCorrosionStrong alkali de-waxing agent dissolves stone, mica and metal ionsSteel wire will be heated ...