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Bob, I was staying out of this discussion as I would rather be learning about pulmonary tox and deco schedules, but I couldnt resist. > In the technical diving field choosing a quality instructor is extremely > important. The agency of affilation can be a bit of an indicator, but it's > certainly not the last word. I know that both NAUI and GUE are pretty picky > about who they endorse as technical instructors... i.e. that gives the > potential student a clue. My rec courses had been through NAUI so when I started out tech diving, I naively looked for a NAUI tech center. I found the only South African one listed in the NAUI.tec home page, the head instroketor is, if I recall correctly, a NAUI technical instructor instructor. Included in the completely useless bundle of courses that I signed up for was blender and gas mixer. The course consisted of a photocopied set of notes and a 30 min demo at his nitrox blending panel during which time I was told that at any moment, the whole thing could blow sky-high and probably a total of 10 hours standing next to the compressor watching the amount of helium being fed through it into the 300 bar cylinders. Not a word about compressibility of helium. The exam was an old TDI paper.... So much for carefully endorsed. In the end, I never bothered to collect a single one of the many c-cards that I bought from him. I would be embarrassed to show them to anybody, you may as well have "Stroke" tattooed on your forehead. Simon -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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