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ұялы көздер
Sources of air pollution such as automobiles, motorcycles, trucks, off-road vehicles, boats, and airplanes. (See also stationary sources). For more information, please go to our mobile sources portal page.
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Күлгін Сәрсенбі
Ash Wednesday is observed by Christians. Marking the first day of Lent, which lasts until Easter (a period of 46 days), it is the day of repentance. ...