Recycled electronic components including resistors, capacitors, inductors, potentiometers, vacuum tubes, heat sinks, electromechanical components, connectors, discrete semiconductor devices, audio-visual devices, laser devices, electronic display devices, optical devices, sensors, power supplies, switches, micro-motors, electronic transformers, relays, printed circuit boards, integrated circuits, various circuits, piezoelectric, crystal, quartz, ceramic magnetic materials, printed circuit substrates, electronic functional materials, electronic adhesives (tapes), electronic chemical materials and components, etc.