... , Pre-Soaking,Soaking, Ultrasonic degreasing and washing, Ultrasonic washing, D.I.Ultrasonic Rinsing, D.I.Ultrasonic Rinsing,Unloading3.Application: electronic apparatus, medical apparatus, aviation and ... aero-space, automotive industry, hardware spare parts, electroplate industry, optics etc.4. Main systems: ultrasonic units (transducer ...