примеры использования
Unfortunately for hayfever sufferers, pollen is a natural pollutant of the air.
Pentachlorophenol (PCP) is a good example of a nasty environmental pollutant .
air pollutant
The emphasis is not on taxing pollutants or simply outlawing pollutants .
However, some studies also focused on the mechanisms by which particles without organic pollutants cause carcinogenic effects.
Other
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