... jewelry, diamond, watch band, watch cover, watch hand,etctextilespinneret plate, rubber parts, plastic molds, toy,etcothersseal, flapper, coins, pottery, bank ... used for skin care,long-term use of lubrication to keep skin young and elastic.use of V-KOOL special ultrasonic cleaner ... ,binocular,microscopes,cameras,video cameras and other parts of the parts of the lens by ultrasonic cleaning ,etc.all the ...