Ключевые слова: adapter, black, buttons, closeup, communication, component, connect, connection, connector, controlled, cord, data, device, digital, electric, electrical, electricity, electronic, equipment, hardware, industrial, industry, input, jack, line, link, located, macro, metal, military, numbered, object, panels, part, plastic, plug, port, radiocontrolled, secret, side, socket, sophisticated, switch, symbol, technology, view, wire,