Ключевые слова: black, business, button, cable, click, close up, communications, computer, concepts, connection, contemporary, data, device, electrical, electronics, equipment, ergonomic, gray, input, instrument, key, mouse, network, new, nobody, object, office, optical, part, plastic, reflection, right, scroll, single, supply, surface, table manger, technology, toned, wheel, wire, wired, working,