GREENSBORO, North Carolina, March 12 -- The U.S. Department of Labor's Occupational Safety and Health Administration Region 4 issued the following news release: * * * Removed machine safety guard leads to serious, life-altering injury * * * An employee working as a mechanic at the U.S. Postal Service's distribution center in Greensboro suffered a life-changing injury on Sept. 27, 2021. The worker's arm was amputated after contacting a machine that had a safety guard removed. The U.S. Depart  more