Ключевые слова: barrier, block, cement, civil, concrete, confine, conservation, construction, control, dam, electric, electrical, electricity, energy, engineering, environment, environmental, escape, flowing, gates, generate, generating, greem, home, hydro, hydro electric, hydroelectric, hydropower, industrial, khun dan, landmark, landscape, large, like, mountain, nature, obstruct, power, prakarnchon, release, reservoir, resource, river, road, spillway, structure, technology, tower, tree, valley, voltage, volts, wall, watts,