... hardware,jewelrys,watch,necklace,ear ring,ring,bracelet,coin,glasses,sun glasses,nozzle of the printer,artificial teeth,comb,toothbrush etc ... after the cleaning;6.The precise design of the top cover can lower the noise effectively. Sphere of Application: Can ... hardware,jewelrys,watch,necklace,ear ring,ring,bracelet,coin,glasses,sun glasses,nozzle of the printer,artificial teeth,comb,toothbrush etc. ...