Doug Miller wrote:

> In article >,
> wrote:
>
>>
>>Argon and Nitrogen are the two used by wineries.
>>I think Nitrogen is fairly inexpensive but Argon is not. There is a
>>safety issue with Argon, it can take your breath away - permanently.
>
> What are you talking about? Argon's not poisonous; it doesn't react with
> anything.

http://en.wikipedia.org/wiki/Argon

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