Ключевые слова: background, beacon, bhoy, blue, boating, border, bouy, buoy, channel, coast, coastal, colorful, emergency, float, floating, harbor, horizon, marine, mark, marker, nautical, navigate, navigating, navigation, ocean, protection, red, rescue, ring, ripple, rippled, safety, sailing, sea, seamark, security, shipping, sign, surface, transportation, warning, water, waterway, waves,