Air Force Tech. Sgt. Joshua Steel, a dental lab technician with the 628th Medical Group, melts gold for a dental crown at the Joint Base Charleston dental lab in South Carolina Sept. 22, 2011. Dental lab technicians fabricate retainers, maxillary and mandibular expanders, molds for pilots' custom flight masks, sports guards, night guards, crowns, bridges and dental implants. ( Air Force photo by Airman 1st Class Ashlee Galloway/Released)

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Size: 1911px × 1307px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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