Copper mining relies on volume to make a profit and the infrastructure to support this is obvious in the photo. Two large crushers, each the size of the one back at the ol' gold mine, run in unison feeding a large conveyor. The maintenance teams have a shop in between with a large overhead crane system that helps facilitate easier access for preventative maintenance and repairs when needed. This pair is referred to as the "mobile" crushers as they are moved when it makes financial sense----and the conveyors follow along. There is a single larger crusher at the top of the pit that provides crushing capabilities for surrounding pits or when these two are not available.
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