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.
Introduction. On the surface, a compact disc looks like a gleaming mirror on one side, and some ornamental painting on the other side. I was intrigued by the amount of music a small disc could hold when I received my first CD player as a Christmas gift. Since then I have always wanted to know what makes a CD sound.