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After Liquidation, Mupane Mine Reopens With a Bigger Ambition

Botswana’s only active gold mine is coming back online, with Nova Africa Resources and partner AgaOne Commodities moving to restart the long-dormant Mupane operation by mid-2027 following a $21.5 million acquisition and plans that go well beyond simply reopening the pit. Located near Francistown in the North-East District, Mupane Gold …

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Nitration: The Acid You Didn’t See Coming

By Steven Lumley, technical manager, WearCheck The third article in WearCheck’s series “When Good Oils Go Bad” features a discussion around nitration. Nitration is far less talked about than oxidation, yet in many engines, it is just as destructive and often more insidious. Unlike oxidation, which is driven by oxygen, …

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