The step of the copper production process that involves the crushing and grinding of particles is

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The step that involves the crushing and grinding of particles is concentration, which is the process of separating the copper from the rock and other impurities. Mining involves the extraction of the ore from the earth, while refining and smelting involve further processing of the copper concentrate to remove impurities and produce a pure copper product. Transportation is the movement of the copper concentrate or finished copper product from one location to another.

The Step of the Copper Production Process That Involves the Crushing