Talk:Gas cylinder

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What is the best way to determine the contents of a compressed gas cylinder is —The preceding unsigned comment was added by 68.40.229.78 (talk • contribs) 01:54, 23 October 2006 (UTC).

A quick google [1][2] shows that the best way is to look at the label. If it's not clearly labelled, it should be marked Contents Unknown and returned to the manufacturer. If that's not what you meant, you might want to ask at the Wikipedia Ref Desk - science section as well. Gotyear 20:31, 23 October 2006 (UTC)