An employee works at his computer numerical control (CNC) milling machine at the Sheffer Corporation, a manufacturer of cylinders and actuators,, Friday, Aug. 31, 2018, in Blue Ash, Ohio. (AP Photo/John Minchillo)
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An employee works at his computer numerical control (CNC) milling machine at the Sheffer Corporation, a manufacturer of cylinders and actuators,, Friday, Aug. 31, 2018, in Blue Ash, Ohio. (AP Photo/John Minchillo)
