Ключевые слова: boat, cctv, construction, control, dam, disaster, diving, drowning, durban, electricity, energy, flood, flooding, flow, guayaquil, house, hydroelectric, industrial, industry, lack, level, life, marine, open, pisa, pool, port, power, protection, river, russia, safety, sea, secure, security, sky, sluice, south, street, structure, transport, travel, trip, volga, water,