Metal casting is a manufacturing process where molten metal is poured into a mold to create a specific shape. This technique allows for the production of complex designs and is widely used in industries such as automotive, aerospace, and construction. Common metals used in casting include iron, aluminum, and copper. The process begins with creating a mold, which can be made from materials like sand or metal. Once the mold is ready, the metal is heated until it melts and then poured into the mold cavity. After cooling, the mold is removed, revealing the finished metal part, which may require further finishing processes.