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Hi techdivers!

just some questions and a remark from an 'extended' recreational diver:

first topic:
I'm posting this for a friend:
What does the techdiver comunity think about Full-Face-Mask's? What
is ''the best'' mask?? AGA, ScubaPro, Draeger...
Are there known problems? In which situations is a FFM a real disadvantage?
Lot's of questions. I hope to find some answers.

second topic:
Oxygen toxicity.
Well the first reported case of oxygen toxicity is more than 200 years
old! Lavoisier found that in 1780...
Now back to recent results: there is a review from 
D Jamieson (1989) Free Rad. Biol. Med. 7; 87
There is evidence that free oxygen radicals caused by high PPO2 are the
real ''trouble makers'' and are responsible for the oxygen toxicity.


Bye Wolfgang


--

Wolfgang Zweygart

wz@ec*.ch*.tu*.de*
wz2@pa*.ph*.un*.de*

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