... Diamond tool 3,siemens motor,220V 4,for concrete,terrazzo planetary concrete floor polishing machine is not only grinding and polishing ... ,granite, terrazzo, but also for repairing, grinding, polishing, crystallizing millstones.planetary concrete floor polishing machine HWG 78 has the quickest motor ... be chosen: The effect of grinding and polishing:.... HWG 78 planetary concrete floor polishing machine