home ultrasonic cleaner 1.Clean watches,Jewelry,necklace,eyeglass,etc 2. ... lenses), magnifying glass, binoculars, microscopes, cameras, video cameras and other parts of the lens by the ultrasonic cleaning, etc., all make ... , walkie-talkie, Walkman and other sophisticated electrical circuit boards, spare parts, the use of ultrasonic cleaner with ethanol cleaning, clean pollution ...