... equipment OEM. Ultrasonic Cleaner:(1) Lowest back-repair rate(2) Safe(3) 3L,4L,5L,6L,10L,22L,33L and big ... or embedded particles from solid surfaces. Water or other solvents can be used, depending on the type ofcontamination and the workpiece ... . Contaminants can include dust, dirt, oil, pigments, grease, polishing compounds, fluxagents, ...