http://goo.gl/zQyi2a - Radiation shielding garments are commonly used in hospitals, clinics and dental offices to protect medical patients and workers from unintentional direct and secondary radiation exposure during diagnostic imaging. The radiation one typically encounters is one of four types: alpha radiation, beta radiation, gamma radiation, and x radiation. Neutron radiation is also encountered in nuclear power plants and high-altitude flight and emitted from some industrial radioactive sources.
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