151113-N-YZ910-005 JACKSONVILLE, Fla. (Nov. 13, 2015) Fleet Readiness Center Southeast Electroplater Marissa DeMent dips an etch-rate coupon - a piece of metal taken from the same block of aluminum as the part to be milled - into a chemical milling vat Nov. 13. Artisans test the etch-rate coupon to calculate the rate at which the metal will dissolve in the chemicals. ( Navy Photo by Clifford Davis/Released)

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Size: 1800px × 1200px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: chem, frcse, milling