VCD player, DVD player, speaker aktif, kaset, (cassette), pita cassette, pita video disk recorder, laser disk, piringan hitam, compact disk (audio, video), pesawat TV, EVD player, CCTV, portable DVD, LCD TV, LCD monitor, plasma TV, CRT monitor, MP3 player, MPEG4 player, portable media player, komputer, flash disk, flash memory, digital camera, digital video camera, digital surveillance system, digital video recorder, DVD recorder, EVD recorder,car DVD player, car roof mount DVD player, car roof mount monitor, active speaker, speaker, stabilizer, stafol, FM transmitter, FM receiver, headphone, earphone, FM wireless headphone, wireless CCTV, wireless active speaker, bluetooth headset, bluetooth headphone, bluetooth speker, gramophone, pickup, rewinder, amplifier, microphone, megaphone, optik, kaca mata, lensa-Iensa, mikroskop, teropong, teleskop, pesawat komunikasi, telephone, walky talky, hand talky, pesawat telex, pita-pita magnetic, antenna, booster, radar, parabola, accu, baterai, batu baterai, bel listrik, kabel telepon, transformator, travo, ballast, step up, step down, mesin facsimile, mesin hitung, kalkulator, kas register, mesin teleks, printer, pesawat-pesawat ukur, speedometer, ampere meter, meteran listrik, volta meter, segala jenis meteran, modem-modem, monitor (program komputer), CPU, stop kontak, sakelar, switch-switch, fiting-fiting, kombinasi fiting, stecker sonar, seterika listrik, mesin fotocopy, disket, pesawat-pesawat pemadam api, alat solder listrik, MCB, sekring auto, sekring batu