Ключевые слова: adverse, air, atmosphere, background, chemical, chimney, city, clean, close, concrete, damage, dark, day, deleterious, destructive, ecology, effects, emission, emissions, environment, environmental, exhaust, factory, free space, fume, fumeaway, gases, harmful, high, industrial, industry, landscape, manufacturing, nature, pipe, plant, poisoning, pollution, protection, sky, smog, smoke, steam, striped, thick, trumpet, white,