John, this would mean to carry a ffm with you for your Oxygen deco only. Donning it underwater requires skill, in a situation where things should remain calm. Of course, these skills can be and are taught , but I wanted just to mention this. Well, and in case you want to go to backgas, from time to time, it really is a circus. Matthias > Johnscha@ag*.co* schrieb: > > All > I am really reluctant to jump in after reading this list for over a > year, but since I can't get anyone to respond directly, here goes. Why > are we doing something, that has been identified over a decade ago as > I'll advised i.e. breathing 100% 02 in the open ocean, and > particularly not using a full face mask ? DIR or not, there are other > less risky ways to deco. No flames, just respond if you are inclined. > > Thanks > JWS -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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