Though grinding is optimal for significant material removal and shaping, polishing is ideal for boosting surface complete and aesthetic attraction. The selection between them depends on the stage of material processing and the specified outcome. Aluminum oxide. Refining bauxite ore in an electric furnace makes aluminum oxide. The bauxite ore https://www.facebook.com/permalink.php?story_fbid=pfbid0ZH2jhnQuVnNsrf7xUngo6hnw8VNigrx8w64W2Ji5AUpczagcBgWpHE8kvQZWBEFkl&id=61562415773754&__cft__[0]=AZUv0AZ4Vzq2mZEo3P_lStgda1Mk_448-06NRE4cd3PevlhWAXppnGNb_Jbst-BWjKh_l5FL6V7cJ9WmuzUiDy6PdQe8Khi5JYxgHpgu2DYx_sAnNwVcdA-e5yaNTkA_4-8Vd79cbC7DMnkPzKjEOnikkaHkHQKTMTa-RNax5u235d9FCHnjGdOg3qI6pgBkAxWqhjiXTS6S_X9n73ZnOYpO&__tn__=%2CO%2CP-R