... parts,etcAuto industryengine parts, gear box, shock absorber, auto nozzle, cylinder, valve,etcDental& Medicaldental tools, medical tools, injector, surgery tools, ... used for skin care,long-term use of lubrication to keep skin young and elastic.use of V-KOOL special ultrasonic ... other electrical appliances,precision circuit boards,parts used. easy to use eyeglass ultrasonic cleaner,can be customized