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Oil refinery, a large modern oil industry
Engineers team wear uniform and helmet stand in front of car hand holding blueprint paper, survey inspection work plant site use radio communication to work with night lights oil refinery background.
Oil Refinery plant at sunset. Gas Chemical Equipment Prodiction import export Concept, Crude Oil Refinery Plant Steel Pump Pipe line and Chimney and Cooling tower, Chemical Petrochemical
Working oil refinery. Smoke from the factory chimney. Ecological pollution. Air emissions polluting the city. Industrial waste is hazardous to health. Large factory in smog, Production in operation.

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