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"Don W" <donw_s11atswbelldotnet@figure.it.out> wrote in message
news:1UTMh.618$YL5.596@newssvr29.news.prodigy.net...
>
> Now that is an interesting way of doing it. Just check the pressure on
> preflight, and you'll know there aren't any cracks if it's still holding
> pressure.
Well . . . you will know that the gauge pointer hasn't moved. For fire
extinguisher classes, I had a demo extinguisher which was cut open so's you
could see the interior. The gauge still read in the green.
Rich S.
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