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Three Key Principles
This refers to the amount of time spent near the radioactive source. Time near the radioactive source should be kept at a minimum. Tasks or work activities revolving around the radioactive source should be done quickly as possible, to reduce spending time around the radioactive area more than necessary.
This refers to the distance between a person and the radioactive source. The greater the distance the lesser exposure and dose of radiation workers will be exposed to.
Exposure to radiation sources can be minimized through shields. Shielding refers to putting something in between the radiation source and the person involved. The effectiveness of shields will vary depending on the level of radionuclides the radiation source is emitting.
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