Ключевые слова: accident, advice, attention, background, board, calming, caution, danger, dangerous, dive, diving, forbidden, hazard, hazardous, icon, information, jetty, jump, lake, nature, no, no diving, notice, ocean, outdoor, prohibited, protection, restricted, risk, risky, safe, safety, sea, security, shallow, sign, signage, signboard, signpost, stop, swim, swimming, symbol, unsafe, vacation, warning, water,