Ключевые слова: assistance, background, boat, cloth, coast, code, communication, concept, copy, distress, emergency, flag, grade, grunge, help, hope, international, isolated, learn, lifeboat, message, morse, ocean, on, red, rescue, safety, salvation, save, sea, security, ship, shipwreck, sign, signal, sos, space, streamer, survival, symbol, text, texture, transparency, vessel, water, white, wooden, wreck, write, written,