A member with the 88th Civil Engineer Group selects an option on the Trimble DiNi level at Wright-Patterson Air Force Base, Ohio, Sept. 8, 2016. The Trimble DiNi works by scanning a digital barcode level rod, which sends the machine a binary code the machine computes into a height above the ground. ( Air Force photo by Michelle Gigante/Released)

---

Size: 6016px × 4016px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: civil, engineering, people