Can someone explain if the dose of radiation is dangerous, in the first picture

 
Can someone explain if the dose of radiation is dangerous, in the first picture - My, Radiation, Ionizing radiation, Joy, Sievert, Physics, The medicine, Dosimeter, Longpost
Can someone explain if the dose of radiation is dangerous, in the first picture - My, Radiation, Ionizing radiation, Joy, Sievert, Physics, The medicine, Dosimeter, Longpost


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