Assertion: tritium's radioactivity | /r/HasProperty | weak
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Source sentences:
text: The radioactivity of tritium is so weak that it can be stopped by a 5mm-thick plexiglass and if you were so foolish and unfortunate all at the same time that you consumed all the tritium in your watch at once, that would account for the same amount of radioactivity (40 mSv, i.e., 40 microsievert) as you are exposed to when flying from New York to Los Angeles.