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ұшпа органикалық қоспалар (ҰОҚ)
Carbon-containing compounds that evaporate into the air. VOCs contribute to the formation of smog and / or may themselves be toxic. VOCs often have an odor, and some examples include gasoline, alcohol, and the solvents used in paints.
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Ұлы Американдық Шегу
Observed every year since 1977, the Great American Smokeout takes place on the third Thursday of November. Sponsored by the American Cancer Society, ...