Ключевые слова: accident, advice, alert, aquatic, attention, beside, black, britain, careful, caution, concept, danger, dangerous, deep, drowning, edge, emergency, grunge, grungy, hazard, hazardous, lake, loch, notice, ocean, people, protection, reservoir, restriction, risk, river, safety, sea, security, sign, signage, silhouette, sink, symbol, uk, unsafe, wall, warning, water, wave, waves, yellow,