Category
page 1Petroleum in the Soviet Union
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mazut
thumb|Russian aircraft carrier Russian aircraft carrier Admiral Kuznetsov|Admiral Kuznetsov uses mazut as a fuel, leading to a visible trail of heavy black smoke that can be seen at a great distance. Russian naval officials have said that the failure to properly preheat the mazut prior to entering the combustion chamber may contribute to the heavy smoke trail.
Petroleum industry in Azerbaijan
aspect of Azerbaijani industry