At 09:34 19/07/00 +0100, Andy wrote:
>>> What is the greatest depth any gas may be breathed
>>> indefinitely and safely, without ever requiring
>>> 'formal' decompression, and what is that gas?
>>> ---------------------------
>Did we ever get an answer to this ?
More than one.
>Is there one?
Probably.
>or is it a trick question?
It is :-)
Regards,
Kuty