Ключевые слова: beacon, beam, boating, coast, coastline, dutch, fresnel, green, guide, harbor, high, holland, light, lighthouse, lightning, marina, maritime, nature, navigate, navigation, netherlands, northsea, ocean, red, rocky, safe, safety, sailing, sea, search, searchlight, seashore, security, ship, shipping, shore, signal, sky, spotlight, sunrise, top, tower, town, twilight, warning, westkapelle, zeeland,