2．The family applies:Daily things as the the gold ,silver,jewelry , headwear , brooch , glasses , watch chain ,pen , CD, shave palpus knife , comb , toothbrush , artificial tooth , tea set etc. And milk bottle ,milk chews or fruit like as grape , cherry , strawberry. All of these things can be disinfect and sterilize and get rid of a pesticide while washing .Besides ,if you long-time to put use of ultrasonic to protect skin  ,your skin will be lubrication ,full of elasticity  just like a child.Ultrasonic cleaner also available to exchange alcohol,make it aroma , stir an egg voluntarily.