220118-F-ST571-1193
U.S. Air Force Emanuel Jackson, 58th Maintenance Squadron metals technology journeyman, practices cutting metal with an oxy-acetylene welding torch at Kirtland Air Force Base, N.M., Jan. 18, 2021. The oxy-acetylene welding torch is used for braze welding, metal forming, preparation, cutting and localized heat treating. (U.S. Air Force photo by Airman 1st Class Karissa Dick)