Justin Miller, materials subject matter expert, discusses the ACI practical exam as participants look on
Workshop participants look on as Justin Miller (center), geotechnical engineer and materials subject matter expert, discusses the practical element of the American Concrete Institute's Level One Concrete Certification Exam at the USACE Logistics Activity building at Joint Base Elmendorf-Richardson. (Photo by Cameron McLeod, USACE - Alaska District)

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Photo by: Cameron McLeod |  VIRIN: 240327-A-FN111-1001.JPG