... -pressure washes, porcelain, medical examination apparatus, tool kits, jewelry set, DVD, PCB/FPC and baby toys Our digital ultrasonic ... effect to clean personal articles such as gold and silver jewelry, necklaces, earrings, glasses, nozzles, watches, mobile, denture, experiment ... minutes to an hours. Mini ultrasonic cleaner is the unique phenomeno created by tiny bubbles by ultrasonic sound travelling ...