Powders, grains and flakes, natural mineral, abrasive;Abrasives, walnut shell and fruit stone grit;Abrasive media, ceramic;Shot and grit, abrasive;Abrasives, cleaning and polishing, for metal and glass;Powders and pastes, abrasive, for polishing;Powders and pastes, abrasive, for grinding;Powders and pastes, abrasive, for lapping;Abrasive media for barrel and vibratory finishing;Grinding media, cylindrical, shaped;Grinding media, spherical;Cement, sandlime and plaster product making plant and equipment;
