writing instruments [1], writing instruments [2], writing instruments [3], writing instruments [4], newspaper [1], newspaper [2], typography, diacritic symbols, miscellaneous symbols, punctuation marks, public postal network, photography, broadcast satellite communication, telecommunications by satellite, telecommunication satellites, radio: studio and control room, dynamic microphone [1], dynamic microphone [2], television, sound reproducing system, mini stereo sound system, portable sound systems [1], portable sound systems [2], portable sound systems [3], portable sound systems [4], wireless communication, communication by telephone

office, office furniture, personal computer, input devices [1], input devices [2], input devices [3], input devices [4], input devices [5], input devices [6], input devices [7], input devices [8], input devices [9], input devices [10], output devices [1], output devices [2], output devices [3], output devices [4], output devices [5], output devices [6], uninterruptible power supply (UPS), data storage devices [1], data storage devices [2], data storage devices [3], data storage devices [4], communication devices, examples of networks, computer network, Internet [1], Internet [2], Internet [3], Internet uses, laptop computer, electronic book, handheld computer, stationery