User talk:98.64.206.50

February 2009
Welcome to Wikipedia. The recent edit you made to the page Displacement (fluid) has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. Killiondude (talk) 06:29, 13 February 2009 (UTC)