Ключевые слова: alternative, building, construction, dam, eco, electric, electrical, electricity, emblem, energy, environment, environmental, factory, flow, flowing, generation, generator, graphic design, hpp, hydro, hydroelectric, hydroelectricity, hydropower structure, hydrostation, icon, industry, line, linear, pictogram, power, powerplant, renewable, resource, river, sign, source, station, sustainability, sustainable, symbol, technology, tide, turbine, vector illustration, water, waterfall, waterpower plant, wave,