Ключевые слова: aerial view, biomass, chemical, circle, cistern, cleaning, clearing, dirty, distillers, drainage, ecology, ecosystem, environment, facility, factory, filter, filtration, flow, garbage, industrial, industry, infrastructure, liquid, manufactory, pipe, plant, pollution, pool, processing, pumping, purification, recycle, recycling, removal, reservoir, sanitation, sewage, sewer, sludge, storage, supply, sustainability, system, tank, technology, treatment, utility, waste, wastewater, water,