... , jewelry, hair accessories, brooch, glasses, watch chain, pen, CD, scraping knives, combs, toothbrushes, dentures, tea, etc. There ... often unable to do anything, and V-KOOL Special ultrasonic cleaner is unique wonders.4, watches, precision instruments: With ... appliances, precision circuit boards, parts used WELGO special ultrasonic cleaner with ethanol cleaning, get an excellent full and complete ...