Ключевые слова: abstract, analog, artistic, background, board, business, closeup, communicate, communication, connect, connection, connector, contact, copper, data, digital, electrical, empty, free, internet, krone, lines, macro, modern, network, number, numbers, office, pair, panel, patch, pattern, phone, plastic, plate, professional, rack, row, service, slot, station, support, switchboard, tech, technical, telecommunication, telephone, telephony, wires, working,