From: ddrake01 I agree Christina. Maybe the good ol' days of good instruction are gone. I learned gas % optimization and had to do 3 dives, 2 on EANx and 1 air to get by "basic cards". Using EANx in deco and/or multiple mixes *was* the difference between "Basic" and "Technical" Nitrox certification when I went thru. DAVID DRAKE AHDNN1A.DDRAKE01@ED*.CO* ROMULUS, MICHIGAN EDS/GM POWERTRAIN 8-375-5467 (GM NET)
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