Control of exposure to ionizing radiation. Basic physical measures include reducing time near a source, increasing distance and using radiation shielding; confinement of radioactive material addresses contamination.
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Radiation protection, also known as radiation safety, is the practice of safeguarding people, environments, and assets from the harmful effects of ionizing radiation. Ionizing radiation can come from various sources, including natural sources (like cosmic rays and radon gas) and man-made sources (such as medical imaging devices, nuclear power plants, and certain industrial applications).