Radiation protection products are necessary in environments that have such harmful products. Radiography is the use of X rays to view a non uniformly composed material such as teh human body. This is one of the leading forms of radiation and is one that needs protecting against.
That is why when you go to the dentists they put those lead aprons on you. To stop you from getting radiation poisoning! Medical X rays are produced by letting a stream of fast electrons come to a sudden stop at a metal plate.
A picture archiving and communication system or PACS is a medical imaging technology which provides economical storage of, and convenient access to, images from multiple modalities, or source machine