• CheeseNoodle@lemmy.world
    link
    fedilink
    English
    arrow-up
    14
    ·
    10 days ago

    Mostly the emissions are alpha particles which can’t even pass through paper but CAN fuck you up if the source ends up inside your body. So washing is to remove any small particles that may have been abraded off, same reason you can’t use it if its ever chipped or scratched.