Ключевые слова: beacon, blue, border, buoy, caution, channel, concept, danger, direction, equipment, flag, float, guard, guide, harbor, help, life, light, marine, mark, marker, nautical, navigate, navigation, navigational, object, ocean, pointer, protection, range, red, safe, safety, sailing, sea, secure, security, ship, shipping, sign, signal, sky, solar, symbol, transportation, travel, warning, water, wave, waves,