... tiles), timberGranite, marble, sand stone (cautious for black stone)Granite, marble, sand stone, microcrystal stone, ceramic tiles, polished tiles and ... stoneOperabilityFrequent de-waxing, polishing wastes materialOne to four types of agents shall be used according to the ... machine, polishing padCorrosionStrong alkali de-waxing agent dissolves stone, mica and metal ionsSteel wire will be heated ...