... to process various ores, cement, refractory, bauxite clinker, carborundum, raw glass, machinery-made construction sand, stone and other ... to process various ores, cement, refractory, bauxite clinker, carborundum, raw glass, machinery-made construction sand, stone and other ... to process various ores, cement, refractory, bauxite clinker, carborundum, raw glass, machinery-made construction sand, stone and ...