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Re: [TowerTalk] Be Careful

Subject: Re: [TowerTalk] Be Careful
From: Randy <>
Date: Tue, 04 Dec 2007 18:21:06 -0500
List-post: <>
Gregg Martell wrote:
> Trenches can be very dangerous - dirt weighs over 100 lbs per cubic 
> foot, so a cave-in in even a shallow trench can be deadly.  If you 
> are over your head in a hole that isn't properly prepared/shored you 
> are taking your life in hand.  
As it mentions on that site, even a cave-in up to your 
diaphragm/belly-button area can be
lethal. If you can't move your diaphragm, you can't inhale.....


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