Ключевые слова: blank, business, busy, button, circuit, city, communication, commuter, computer, concept, connection, control, copy space, desk, desktop, digital, empty, energy, exterior, icon, industry, internet, light, modern, monitor, multimedia, online, outdoor, pc, power, road, rush hour, screen, shutdown, sign, start up, stop, street, switch, symbol, table, technology, top, traffic jam, turn on, urban, wooden,