Uses of Radiation (4.2.3) | AQA GCSE Physics Revision Notes 2018 | Save My Exams
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Smoke alarms emit about 10 milirems of radiation per year but are worth it to save your life from fires. Is there any new technology that's as cheap but safer? - Quora
Free Stock image of smoke alarm detector | ScienceStockPhotos.com
How To Properly Dispose of Smoke Detectors - The Retrofit Companies, Inc.