The 325th Fighter Wing is host to more than 30 tenant organizations located at Tyndall Air Force Base, Florida. The wing consists of the 325th Operations Group, 325th Maintenance Group, 325th Mission Support Group and 325th Medical Group.
Making a compact disc involves first preparing a glass disc master. This master is then encoded with the desired information and put through a series of electroforming steps. In electroforming, metal layers are deposited on the glass master using electric currents.
How CDs Work. A CD has a single spiral track of data, circling from the inside of the disc to the outside. The fact that the spiral track starts at the center means that the CD can be smaller than 4.8 inches (12 cm) if desired, and in fact there are now plastic baseball cards and business cards that you can put in a CD player.