9 Permanent magnets, ferrite magnets, [magnetic read/write heads,] shadow masks, semi-conductor lead frames, [reed switches, bimetal switches, electric switches, optical fiber switches, optical switch modules, magnetic switches,] electromagnetic coils, [electric wires and cables, optical cables,] ferrite cores for absorbing electromagnetic interference, electromagnetic interference filters, electromagnetic interference shield sheets, electromagnetic interference absorbing sheets, electromagnetic interference absorbing panels, GMR, namely, giant magneto resistive sensors, [electrical azimuth compass, acceleration sensors,] toner sensors, magnetic sensors, [angular velocity sensors, pressure sensors, optical sensors,] gas sensors, temperature sensors, humidity sensors, [lasers not for medical purposes,] semi-conductors, [diodes, integrated circuits, large scale integrated circuits, circuit boards, optical isolators,] electric transformers, electric inductors, isolators and circulators, circuit devices, antennas, electric wave filters, frequency separators, namely, diplexers, circuit substrates, amplifiers magnetic encoders, [optical attenuators, peltier modules, namely, thermoelectric cooling modules and heat pumps,] magnetic choke coils, magnetic cores, magnetic reactors, [electrodes,] electric resistances, [resistance wires, particle accelerators, photocopiers]