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Staff Sgt. Jorge Martinez, a heating, ventilation and air conditioning craftsman with the 386th Expeditionary Civil Engineer Squadron, conducts a preventative maintenance check on an electrical box at an undisclosed location in Southwest Asia, Wednesday, Aug. 23, 2017. Whether conducting preventative maintenance or responding to needed repairs these dedicated technicians beat the heat and keep cool under pressure as they keep up with daily demands. (U.S. Air Force photo by Tech. Sgt. Jonathan Hehnly)
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