... hardware,jewelrys,watch,necklace,ear ring,ring,bracelet,coin,glasses,sun glasses,nozzle of the printer,artificial teeth,comb,toothbrush etc ... DVD discs cleaning;2.Cleaning with only water,without other special chemical;3.You can see the perfect cleaning effect ... hardware,jewelrys,watch,necklace,ear ring,ring,bracelet,coin,glasses,sun glasses,nozzle of the printer,artificial teeth,comb,toothbrush etc ...