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  1. 09-22-2018, 05:12 PM

    Thread: Radioactivity of natural stones

    by DZEC
    Replies
    20
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    2,293

    I have friends in the interior of British...

    I have friends in the interior of British Columbia and that is exactly what they had to do. I find that a little frightening.
  2. 09-22-2018, 03:53 PM

    Thread: Radioactivity of natural stones

    by DZEC
    Replies
    20
    Views
    2,293

    Might facilitate honing during power failures.

    Might facilitate honing during power failures.
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