FED personnel earn American Concrete Institute certification
Jae Ung Yoon (left), an FED Geotechnical Materials Lab civil engineer, performs the slump test, evaluated by Chad Gartrell (right), American Concrete Institute instructor, during the ACI workshop, held at the Far East District Materials Testing Lab, Sept. 30.

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Photo by: Sameria Zavala |  VIRIN: 211014-O-QN611-002.JPG