Ключевые слова: alternative, clean, clear, climate, component, conservation, dam, design, detail, development, drive, eco, efficiency, electric, electricity, flow, fluid, force, future, gear, generation, green, harnessing, hydro, hydroelectric, industrial, infrastructure, innovation, liquid, machinery, mechanical, mechanism, metal, motion, movement, nature, plant, potential, power, renewable, rotation, solution, stream, structure, supply, sustainable, system, technology, water,