... container,etcPlating& paintingpolishing parts, SUS cutter, tableware, plating,etcFood industryOven tray, boiler, bottles, bottle cap, filters,etcOptical& watch makeroptical lens, ... while cleaning,sterilization,ultrasonic other hand can also be used for skin care,long-term use of lubrication to keep skin ... appliances,precision circuit boards,parts used. mini ultrasonic cleaner for finger nail