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«be in the air» boʻyicha 7 ta natija

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Selection of samples inglizcha

the sample taking on site, e.g., samples of water (effluent), soil, air pollution. The procedure of sample taking requires the experienced, well trained and qualified ins

Air pollutant inglizcha

Any substance in air that could, in high enough concentration, harm man, animals, vegetation or material. Pollutants may include almost any natural or artificial composit