Senior Airman Andrew Higginbotham, a heavy equipment and pavements journeyman assigned to the 99th Civil Engineer Squadron , uses a concrete saw to cut out a piece of curb during the construction of a parking lot, Aug. 15, 2012, at Nellis Air Force Base, Nev. (DoD photo by Airman 1st Class Daniel Hughes, U.S. Air Force/Released).
Original public domain image from Flickr