Petty Officer 2nd Class Aaron Frates, a machinery technician assigned to Coast Guard Station Seattle, inventories tools for the station as part of his duties as engineer of the watch, Aug. 26, 2014. Machinery technicians are trained in machinery operation and maintenance from internal combustion engines to environmental support systems hydraulics, basic electricity, and areas of hazardous material recovery and control. (U.S. Coast Guard photo by Petty Officer 3rd Class Amy Nuckolls)
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