X-Ray Unit is a medical imaging technology that uses electromagnetic radiation to create images of the inside of the body. It is often used to diagnose and treat medical conditions, such as broken bones, tumors, and other internal injuries. The term RAD is an abbreviation for Radiologic Technologist, which is a professional who operates X-Ray Units and other imaging equipment. They are responsible for positioning patients and equipment, selecting appropriate exposure factors, and ensuring patient safety during the procedure.