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abstract, adsl, analog, background, board, business, cable, channels, closeup, color, communicate, communication, connect, connection, connector, contact, copper, data, digital, digits, electronic, internet, krone, lines, mess, modern, network, numbers, office, pair, panel, patch, phone, plastic, plinth, professional, rack, row, signal, slot, station, switchboard, tech, telecommunication, telephone, telephony, twisted, wired, wires, work,