Airman 1st Class Brandon Gentry, an aircraft metals technology technician with the 6th Maintenance Squadron, performs deburring on stock, a large piece of metal, at MacDill Air Force Base, Fla., Jan. 6, 2016. The purpose of deburring stock is so it sits flush on the mounting surface when mounted into the machine. (U.S. Air Force photo by Airman 1st Class Mariette M. Adams). File 160106-F-GH858-999.JPG by Airman 1st Class Mariette M. Adams in public domain.
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