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FILE PHOTO: Crude oil and grease is seen caked on
FILE PHOTO: Crude oil and grease is seen caked on a pump jack in the Permian Basin in Loving County, Texas, U.S. November 25, 2019. REUTERS/Angus Mordant
FILE PHOTO: Crude oil and grease is seen caked on a pump jack in the Permian Basin in Loving County, Texas, U.S. November 25, 2019. REUTERS/Angus Mordant