User talk:75.118.69.41

March 2008
Hi, the recent edit you made to Heat conduction 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. Thanks. Steve Crossin (talk) 12:39, 11 March 2008 (UTC)