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1.The ore is mined from the ground and then processed into steel.
这种矿石从地下开采出来，然后加工成钢铁。
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2.This mineral is used in various industries for its high iron content.
这种矿物因其高含铁量被用于各种工业中。
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3.Mining this mineral can be hazardous due to its toxicity.
开采这种矿物可能具有危险性，因为它的毒性。