Ключевые слова: aqueduct, backdrop, background, basin, blue, business, clean, cold, crisis, current, delivery, drinking, droplets, drops, ecology, economy, environment, expenses, filter, flooding, flow, flush, foam, fountain, froth, humidifier, humidity, hydro, industry, jet, loosing, natural, nature, piscina, plumbing, pool, potable, quick, recycling, reflections, resources, river, runaway, shining, sparkling, stream, surface, transparent, wasting, water,