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Ifloslantiruvchi moddalar va atrof muhitni ifloslantiruvchi manbalar
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A brief overview of the concept of pollutant materials and their impact on the environment, covering various sources and types of pollutants
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Premium Content
Ifloslantiruvchi moddalar va atrof muhitni ifloslantiruvchi manbalar
5,000so'm
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2.58 MBFayl turi
.pptx
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