Airman 1st Class Matthew Mooneyham, 436th Maintenance Squadron aircraft metals technician journeyman, blows away aluminum shavings as he mills a block of aluminum inside the 436th Maintenance Squadron's Aircraft Metals Technology Shop Oct. 31, 2014, at Dover Air Force Base, Del. Mooneyham wears protective eyewear and has hearing protection on his belt, if required, while working in the industrial setting. (U.S. Air Force photo/Greg L. Davis)