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RADIOACTIVE: Sources (alpha Po-210, beta Sr-90, gamma Co-60, Needle beta), Geiger counter, Source Simulator - Crescendo
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eccomum NR-750 Handheld Portable Nuclear Radiation Detector LCD Display Household Radioactive Tester Geiger Counter β Y X-ray Detection Sound Vibrations Light Triple Alarm Practical Nuclear Radiatio | Walmart Canada
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