Radio, radio cassette, amplifier, power ampli, loudspeaker, speaker box, compact disc player, VCD player, DVD player, laser disc player, VCD, DVD, LCD, kaset, pesawat penerima radio, televisi, tape recorder, video, mesin bicara, gramaphone, pickup, rewinder, amplifier, microphone, megaphone, headphone, wireless, vail optik, kaca mata' Iensa-lensa, mikroskop, teropong, teleskop, pesawat komunikasi, telephone, airphone, walky talky, handy talky, pesawat telex, pita-pita magnetik, pita cassette, pita vi~ Qisk recorder, ~ disk, piringan hitam, rompact disk (~udio, video), antena, bQos~r, raC/(lr, parabola, accu, baterai, batu baterai, bel listril<, kabeJ telepon, transforrnator, travo, ballast, step up, step down, mesin faksimili, komputer, mesin hitung, kalkulator, kas register, mesin telOO, printer, pesawat-pesawat ukur, spedometer, ampere meter, meteran listril<, volta meter, modem-modem, monitor (program komputer), cpu, stop kontal<, sakelar, switch-switch, fiting-fiting, kombin~i fiting, stecker, sonar, seterika Iistrik, mesin fofocopy, disket, pesawat-pesawatpemadam api, alat solder listrik, alat fotografi, kamera, lensa kotak, antena tv/radio