Ключевые слова: architecture, barrier, blue, bridge, cement, concrete, construction, control, dam, electric, electrical, electricity, energy, engineering, environment, environmental, falling, flood, flow, flowing, fuel, generation, generator, horizontal, hydro, hydroelectric, industrial, industry, lake, landmark, landscape, mountain, nature, outdoor, pouring, release, reservoir, river, sky, station, stock, structure, supply, technology, turbine, voltage, wall, water, waterfall,