User talk:84.68.13.78

October 2008
Welcome to Wikipedia. The recent edit you made to Catalyst poisoning has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. cf38 talk  18:54, 21 October 2008 (UTC)