Keith LeBlond, Chenega Global Services, LLC hazardous material warehouse technician, releases pressure from aerosol cans during the recycling process at Ellsworth Air Force Base, S.D., March 22, 2013. HAMART saved more than $2,500 recycling aerosol cans and small cylinders in 2012. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)