This report covers medical x-ray equipment design and use aspects of medical imaging and therapy systems. The report provides recommendations regarding design, performance and optimal use of equipment and also treats such matters as radiation protection surveys and personnel monitoring. In connection with radiation therapy systems, such topics as simulators are addressed, as well as the necessary equipment and facility design aspects and performance standards. In most cases, recommendations for the user are also provided. Important sections of the report treat therapy equipment, calibration guides, radiation protection surveys, and working conditions.