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test powerfull flash powder with magnalium [MgAl]!! Pyroexplosive ITA 0:14 7 years ago 7 913 Далее Скачать
~200g of KNO3/Al/S, KClO4/Al flash powder explosive. Potassium Nitrate and Potassium Perchlorate. Ferris Chemistry 1:33 3 years ago 69 832 Далее Скачать
