Ключевые слова: alarm, alert, attention, background, car, caution, control, curiosity, danger, dangerous, design, drive, environment, hill, icon, information, nautical, nobody, notice, ocean, parking, risk, road, roadsign, safety, sea, ship, sign, signal, signpost, sky, slope, steep, symbol, traffic, transport, transportation, travel, triangle, trip, up, vehicle, vessel, warning, way,