... cleaner has been proven to be the most efficient method of removing contaminants, such as grease, oil, wax, fluxes, fingerprints, ... and invisible surfaces, holes and cracks. In general, if an item can be cleaned with liquid, it can be cleaned ... to clean certain intricate and complex parts without the use of an ultrasonic cleaner.Optional ColorViews AdvantagesUltrasonic cleaners can clean objectives by ...