Ключевые слова: assistance, attention, beware, buoy, caution, danger, dangerous, drown, dumfries, emergency, equipment, hazard, hazardous, hazards, health and safety, information, life, lifebuoy, lifesaver, marine, nith, no, no swimming, preserver, protection, red, rescue, ring, risk, river, rope, safe, safety, safety sign, saver, sea, sign, signage, signpost, strong currents, summer, survival, swimming, underwater, underwater obstructions, warning, warning sign, water, yellow,