A Vertical Milling Center engraves a number into a piece of metal at the Aircraft Metals Technology shop on Nellis Air Force Base, Nev., Sept. 3, 2015. Numbers are engraved to identify the metal parts and who they are going to based on the receiving shops needs.

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Size: 3168px × 1930px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: afb, air, aircraft, force, metals, nellis, technology, usaf, welding