Sweatin’ the small stuff: CES makes roads clean and safe
U.S. Air Force Staff Sgt. Paul Head, front, and Senior Airman Clifford Weston, 35th Civil Engineer Squadron pavement and construction shop members, apply hot asphalt sealant in cracks on Freedom Drive at Misawa Air Base, Japan, June 27, 2012. The hot asphalt sealant is heated up to 300 degrees Fahrenheit prior to application to roads. The sealant may take up to four hours to cool. (U.S. Air Force photo by Airman 1st Class Kenna Jackson/Released)