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Iron ore is mined from the earth's surface and most usually by surface mining (which is relatively cheaper and efficient than underground mining). The ore is first extracted and if its quality is unsuitable to be directly used for steel making, it undergoes the process of sintering where they are made into uniform sizes. If necessary, the iron ore undergoes the process of pelletizing to remove impurities. At this stage, you "get" the iron ore suitable for steel making. /BL

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