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Thread: Coal mine canary reviving chamber - photo

  1. #1
    Supporting Member Altair's Avatar
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    Coal mine canary reviving chamber - photo

    Coal mine canary reviving chamber used to resuscitate canaries after showing signs of carbon monoxide poisoning. Early coal miners used canaries into the coal mines to warn them about the presence of harmful gases such as carbon monoxide.




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    trigger's Avatar
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    Shortage of canaries????

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    Supporting Member McDesign's Avatar
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    Uhh - isn't that kinda of like putting a penny under a burned-out fuse?

    Forrest



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