Ключевые слова: aerial, bacterium, biology, biomass, circle, circular, clean, cleaner, conservation, construction, dirty, ecology, ecosystem, effluent, environment, environmental, factory, full, groundwater, industrial, industry, overflow, plant, pollution, processing, purification, purified, purity, recycle, recycled, recycling, removal, separation, sewage, sewer, site, slimy, sludge, smell, steel, storage, tank, technology, treatment, unhygienic, unpleasant, view, waste, wastewater, water,