On Fri, 04 Sep 2009 15:21:23 -0400, Warp wrote:

> Jim Henderson <nos### [at] nospamcom> wrote:
>> >   The emergency gesture underwater must be one of the most confusing
>> >   ever:
>> > It's the "thumbs up" gesture.
> 
>> I understand what it is that makes it confusing, but it also kinda
>> makes sense - a "thumbs up" gesture is a way of pointing up, as if to
>> say "I'm going up" or "I need to surface".
> 
>   Yes, but couldn't they have chosen a gesture which is *not* commonly
>   used
> for "everything's fine" in other situations?

Sure, they could have.  But they didn't....I could always ask a couple 
friends of mine who are divers what the rationale is (if they know).

Jim

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