How Is The Iron Ore Mined?
The reserves of mine iron in the world are mainly concentrated in Ukraine, Russia, Brazil, China, and Australia. They are 30 billion tons, 25 billion tons, 21 billion tons, 21 billion tons and 18 billion tons respectively, accounting for 18.8%, 15.6%, 13.1%, 13.1% and 11.3% of the world's total reserves. ... building materials machines ...
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