Ключевые слова: alternative, building, concrete, construction, dam, electric, electricity, energy, engineer, engineering, environmental, equipment, flood, flowing, generation, generator, helmet, high, hydro, hydroelectric, industrial, industry, lake, landscape, male, man, manager, nature, occupation, outdoors, people, plant, power, professional, rail, renewable, reservoir, river, safety, site, standing, station, structure, technology, turbine, water, work,