Cob: Metal Roofing

[David Knowlton]

and be careful eating those fresh vegetables. potassium (k14) falls from the 
sky and is radioactive and poisons you. not making this up.

all technology has risks associated with it. it's a tradeoff - every time.

david






>From: "Amanda Peck" <ap615 at hotmail.com>
>Reply-To: "Amanda Peck" <ap615 at hotmail.com>
>To: coblist at deatech.com
>Subject: Re: Cob: Metal Roofing
>Date: Tue, 25 Feb 2003 10:50:18 -0600
>
>
>Persistent rumors that various forms of metal--and especially that 
>conducting electricity are bad for you.
>
>There has been a little bit of work on electric blankets (consumer reports 
>disrecommended the old kind for pregnant women), and maybe on living near 
>the really high-voltage lines coming out of the power plants.
>
>Some of the Amish (Hook-and Eye Dutch in the part of the country where my 
>mother grew up) believe that all house wiring, connected to the grid or 
>not, is really bad for one.
>
>I gather that you can get instruments to measure this, but whether it's 
>really BAD for you is at this stage up to you to decide.  Some of the water 
>catchment people say that galvanized iron isn't especially good for that 
>purpose--too much zinc.  But all other things being equal, I'm not sure 
>that painted (let alone raw) aluminum would be any better.
>
>And see the previous reply by Joe Skeesick
>
>
>
>
>
>..........
>Jenny (with the rest of us) wants to know about this:
>
>Hi there, I read in 'The Hand Sculpted House' , that there are concerns 
>that
>steel roofing may cause some kind of electromagnetic field in the building.
>It doesn't mention if this has actually been studied or is speculative. 
>Does
>anyone know what the risks are, if any, of using steel roofing?
>Thanks,
>Jenny Walker
>
>
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