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Old 2010-11-14, 7:11pm
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cheng076 cheng076 is offline
Curmudgeon Engineering
 
Join Date: Feb 15, 2006
Location: Near Seattle, WA
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I usually have to order mine when I buy just one side, oxy or Acet, and I get them from AirGas.
It is not a good idea to swap one for the other as inattention later might cause big problems.
PJH
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