Process Polishing process where several workpieces together with an abrasive chips tumbles around so that the surface of the workpieces are smoothed and polished.
Process Mechanical surface cleaning process where the workpiece immersed in water is subjected to a high voltage such that shock waves are formed and clean its surface.
Process Polishing process in which the workpieces are placed in a liquid containing detergent and small ferromagnetic needles which is rotated by externally applied magnetic fields.