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George, Thank you! This explains the urge to weld when I have never done it before in my entier life! Patrick At 07:20 PM 6/24/96 -0700, you wrote: > > "welding supply" is just what I call the places that sell gas, like Broward >Welding, also known as Tri-Gas, in Ft Lauderdale. I personally like Balloon >Helium, as is comes from balloons, or the Mango-Flavored Oxygen, that comes from >Mangoes. Medical Oxygen comes from Hospitals, and Aviators Oxygen comes from Jet >Engines. They just call this stuff oxygen, it is not really O2. > > If you go to a dive shop, they will always have the right stuff, as they have >taken hundreds of hours of training in Tom Mount's swimming pool, and know just >what flavor to get. Be careful with Balooon Helium, as it tends to make your >tanks float , and welders oxyegn will make them "weld" the valve on. > > Aslo, get a helium lock for your tank valves so your helium will not escape >overnight, leaving you with nitrox, which happens all of the time. This is why >you hear of so many accidents - you must dive them right away if you have no >helium lock, but roll them around for about six hours to get them mixed, or they >will stratify just before all of the helium escapes. > > >-- >Send mail for the `techdiver' mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. > PJD [\]
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