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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* >-- >Send mail for the `techdiver' mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. > Well I will address the first question. I personally like the DSI EXO-26 and second choice is the AGA. I qualify that by saying that I have never dove the Drager. I also suspect that support for the EXO is less available in europe than either the AGA or Drager. The EXO-26 by design has a heavy external frame that lends itself well if you wanted to attach lights or a camera to the mask. Both AGA and EXO work well with underwater communications. Greg gleafe@ns*.ne*
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