mic yaitu: mic karoke, mic pengeras suara, mic speaker, mic band, mic wireles, adaftor, power starting, microphon, amplifier, tape deck, equalizer, power supply (catu daya), trafo, speaker salon, saklar listrik, electronik, ballast, pesawat penerima radio, alat potret, cinematografi, alat-alat optik, alat-alat timbang dan ukur, pesawat sinyal (alarm), mesin penjaja barang, mesin bicara, kas register, mesin hitung, kaca mata, pesawat computer, disket computer, printer computer, monitor computer, transformator, step down, step up, listrik, kabel listrik, fiting listrik, antene radio, antene televisi, pesawat radio, televisi hitam putih dan berwarna, pesawat tape recorder, booster antene, pesawat video, pesawat visidi, pesawat game, kabel antene, antene parabola, pesawat telephone, (pesawat pencatat waktu), pesawat-pesawat pemadam api, pita Computer, kabel AudioKabel listrik, Kabel speaker, kabel microphone