Ключевые слова: background, brent, climate, color, concrete, contaminated, contamination, dirty, discharge, discharging, drinking, ecology, effluent, engineering, environment, environmental, factories, factory, flow, garbage, green, health, industrial, industry, issues, liquid, nature, oil, people, pipe, pipeline, plant, polluting, pollution, polution, production, recycling, removal, river, sewage, sludge, smell, smelly, system, treatment, tube, waste, wastewater, water, white,