Ключевые слова: active, alarm, alert, attached, attention, aware, awareness, battle, bulb, cable, cage, caution, connected, connection, danger, dangerous, device, electric, electrical, electricity, emergency, emit, equipment, fittings, glass, glowing, hanging, industrial, information, lamp, lantern, light, marine, metal, military, observe, paint, prevent, protect, protected, protection, red, redlight, risk, round, ship, signal, strobe, warn, zone,