Ball mills are among the most common features on a mine’s processing circuit. Used in the comminution stage of mineral processing, the mill is filled with grinding media such as steel balls.

Trump, Leavitt boasted, has a “spine of steel” and insisted countries that have reached out “greatly respect President Trump and the sheer power of the American markets.” Leavitt said ...

British Steel is set to begin a consultation on the closure of its two blast furnaces, steelmaking operations and a reduction of steel rolling mill capacity in Scunthorpe. It follows a failure to ...

The announcement comes after widespread media reports that Jingye Group, British Steel's owners, have rejected a Government support package, thought to be worth £500m. Brigg and Immingham MP ...

TOKYO : Oil prices barely moved on Tuesday as investors weighed the impact of U.S. tariffs on countries buying oil and gas from Venezuela against the effect of tariffs on industries such as ...