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How crude oil is delicate into petroleum products<br>Petroleum refineries alternate crude oil into petroleum products to be used as fuels for transportation, heating, paving roads, and producing energy and as feedstocks for making chemical substances.<br><br><br><br>Refining breaks crude oil down into its various additives, which can be then selectively reconfigured into new merchandise. Petroleum refineries are complicated and pricey commercial centers. All refineries have three basic steps:
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