Metal casting is a 7,000-year-old process that has been used in both manufacturing and fine art for thousands of years. Metal die casting is the process of transferring molten metal from a crucible into a mold in order to produce a positive metal cast object. The metal and the mold are allowed to cool before the metal object is removed and finished by hand. For example, lost-wax casting is one type of traditional metal casting technique, as is plaster mold casting, die casting, and sand casting....