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At 07:15 PM 12/7/97 -0000, kevpix@gl*.co*.uk* wrote:
> However,
>on the way back from a dive he did mention that on a short dive, diving
>with, say, twin 15L cylinders he would have the isolator shut. He would then
>only have to dump and refill 15L instead of 30L. Is this really so bad? If
>he had a problem It takes a second to reach behind and open the isolator.
Yes, this is really so bad.

I'll <try> not to flame this stupidity:

Better to dive with higher He and lower O2 on first dive and then top with
air.  Much more simpler and safer.  

There, I did it.










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Kevin Connell <kevin@nw*.co*>

Northwest Labor Systems
http://www.nwls.com
Bellingham, WA
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