Posted by mike on March 21, 2001 at 10:17:25:
In Reply to: Re: tri mix cert. posted by Jim Hoffmann on March 21, 2001 at 08:31:40:
out of curiosity, what is the difference between this upcoming NAUI mix class and the current IANTD or TDI classes? Is "rec" trimix different from the trimix classes currently offered?
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