... , electrochemical machining, electron beam machining, photochemical machining, and ultrasonic machining, the retronym "conventional machining" can be ... are used in the automobile, construction equipment hydraulic industry and etc.1. Material Available: Copper, Brass, Aluminum, ... drilling,casting,stamping etc.5. Equipment: CNC lathe, automatic lathe, hand lathe, thread rolling machine, tapping drilling ...