Ключевые слова: ask, assistance, background, blank, blue, buoy, caution, colours, copy space, danger, dawn, dusk, entrance, flag, float, found, green, guard, harbour, larboard, life, lighthouse, marin, marker, mediterranean, navigation, north sea, object, offshore, port, reykjavik, safe, safety, sail, sailing, salvage, sea, seascape, secure, security, shipping, signal, signs, sky, sunrise, sunset, surf, warning, water, yellow,