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Date: Sun, 15 Apr 2001 17:43:07 -0400
To: "David E. Smith" <dsmith218@ho*.co*>
From: Mike Rodriguez <mikey@ma*.co*>
Subject: RE: Isolating Manifold Question
Cc: "Joel Silverstein" <JoelSilverstein@sn*.ne*>, <RDecker388@ao*.co*>,

At 11:11 AM 4/15/2001 -0400, David E. Smith wrote:

Hello David,

>If it is not shut, it is open.

A bump on a fully open valve results in a non-event.  The same bump
on a mostly closed valve can result in an accident, maybe a fatal one,
as analysis of several diving deaths over the years related to
inadvertently closed isolators suggests.  If it can happen to other
divers, it can happen to any of us, including you.

-Mike Rodriguez
<mikey@mi*.ne*>
http://www.mikey.net/scuba
Pn(x) = (1/(2^n)n!)[d/dx]^n(x^2 - 1)^n

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