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Harold Gartner sez: > Welding gas is the same except for the degree of flitration. Just a nit: there are actually two other differences, one important: 1) Medical O2 is tracked by lot (production run numbers) (we don't generally care about this one) 2) Medical O2 tanks are completely blown down prior to refil; welding O2 tanks are simply topped Because of this, I check all O2 mixes with an O2 meter, even 100% O2. This protects against someone accidentally backflushing Acetylene into a welding O2 tank.... Tasting the O2 is a good idea also -- be especially on alert for a strong garlic smell (acetylene). -frank -- fhd@pa*.co* | Keep cool --- develop film promptly. 1 212 559 5534 | -- Good advice for life in general, 1 917 992 2248 | courtesy of Fuji Film. 1 718 746 7061 |
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