Batteries and cells, namely, dry cells, storage batteries, and solar batteries; electric or magnetic meters and testers, namely, magnetometers, watt hour meters, voltmeters, ammeters and wattmeters; electric wires and cables, namely, bare wires; telecommunication machines and apparatus, namely, voice coil motors using permanent magnets for optical disk drives for reproduction of music or images, torque limiters using permanent magnets for paper feed devices in facsimile machines, and magnetic dampers consisting of a combination of plural permanent magnets for telecommunication machines and apparatus; electronic machines, apparatus and their parts, namely, undulators for synchrotrons using permanent magnets, voice coil motors using permanent magnets for positioning actuators for magnetic heads of magnetic discs, voice coil motors using permanent magnets for optical disc drives in computers, substrates for thin film magnetic heads of magnetic disks, toner absorption equipment using permanent magnets in electrostatic copying machines, torque limiters using permanent magnets for paper feed devices in printers for electrostatic copying machines or computers, and spacer rings using permanent magnets for laminated magnetic disks; permanent magnets, magnetic powder for permanent magnets, magnetic cores; and power distribution or control machines and apparatus, namely, linear motors using permanent magnets, voice coil motors using permanent magnets, switching power supply transformers, switching power supply choke coils, switching power supply inductors, DC-DC converters