Ключевые слова: alarm, alert, alertness, beach, belts, colorful, danger, dangerous, drowned, drowning, ebb, emergency, equipment, flood, flow, helmets, help, holidays, lifejackets, metals, orange, pipes, platform, protection, protective, railing, red, rescue, rescuer, risk, safe, safety, sea, seaside, service, services, sos, surf, swim, swimmer, tide, tools, tourists, undercurrent, unsafe, vest, vigilant, watch, water, workers,