Keeping an eye on your work
Staff Sgt. Edward James Broz, 69th Maintenance Squadron aircraft metals technology craftsman, monitors a metal bushing being made on a metal lathe Feb. 7, 2014, at his workshop on Grand Forks Air Force Base, N.D. A lathe is a machine tool which rotates the work-piece on its axis to perform various operations such as cutting, sanding, knurling, drilling, or deformation. (U.S. Air Force photo/Staff Sgt. Luis Loza Gutierrez)