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To: techdiver@terra.net
Subject: Re; Mixed Gas Training ??
From: mark.welzel@ex*.co* (MARK WELZEL)
Date: Thu, 08 Jun 95 13:28:00 -0500
Organization: Execnet Information System - 914-667-4567 - 198.232.143.136
It would seem to me that deep air training has significant benefits
as a precursor to mix training. The questions might be raised as to
what level of deep air training someone would need. We all start diving
air and then progress once those skills are learned (hopefully).
I would guess that deep air diving in the 130 - 180 foot range would 
be very useful to allow divers to work with swing bottles and other 
equipment and to reduce problems associated with task loading
at depth while under the influence of narcosis. My personnel feeling
is that once comfortable with these skills at depth on a gas
the diver is familiar with then progressing on to mix would be
safer as well as making the concepts involved with mixed gas diving 
more easily understood.

I don't agree with the tire analogy made and the statement that
divers should go to the top technology immediately. Without a
good foundation of acquired skills and learned reactions to
situations the complexeties involved in planning and executing
a mix dive would overwhelm most divers leaving the protective
cover of the mainstream certifying agencies (padi,etc.).

MRWConsult@ex*.co*             /\/\/
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 � DeLuxe� 1.25 #11829 � 

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