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Ruthenium-106. Chelyabinsk trail in Europe. All you need to know about the man-made disaster in Chelyabinsk. The direction of the wind from to and at the time of the disaster. The movement of the cloud over the cities of Russia, Ukraine and the European Union. At the end of September 2017 in the southern Urals (Russia) in the village of Ozersk a technogenic catastrophe occurred, in the result of which a large amount of a radioactive element of artificial origin, Ruthenium-106, was intr
