Machine parts are used in many kinds of machines and facilities such as industrial machines, plants, and automobiles . In general, various metals and resins such as iron, stainless steel, aluminum are used. These mechanical components, also called mechanical components, hold an important role in the construction of machinery and equipment. Except for motors and electrical units used in machinery and equipment, most are made up of machine parts. In addition, some machine parts are called consumable parts because they wear and deteriorate when used for a long period of time and need to be replaced regularly.