... the coating, shape, size Surface treatment: Ni, Zn, Epoxy, Gold, Silver, Tin, Ni+Cu+Ni and Cr3+ZnSize available: 0.5 ... , instrument and detecter, Sensors, Generator, Windmill, VCD, DVD, Laser head, Radar, Electron Accelerator, PMQ(electron beam), MRI (Magnetic Resonance Imaging), Magnet ...