Oregon Air National Guard Senior Airman William Butler, assigned to the 142nd Fighter Wing Civil Engineer Squadron (CES) uses an electric saw to build wood forms for a concrete and new lighting project at the 440th Squadron/Escadrille, Yellowknife, Northwest Territories, Canada, July 19, 2017.

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Size: 1140px × 1754px
Photo credit: © Bob Collet / Alamy / Afripics
License: Licensed
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