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  2. Diagram Of The Refining Process Mines Australia Quot

diagram of the refining process mines australia quot

In Australia nearly 80 of coal is produced from opencut mines in contrast with the rest of the world where opencut mining only accounts for 40 of coal production Opencut mining is cheaper than underground mining and enables up to 90 recovery of the in situ resource Coal may be used without any processing other than crushing and

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