User talk:60.29.4.79

July 2009
Welcome to Wikipedia. The recent edit you made to the page Infiltration (HVAC) 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.  7   talk   12:52, 19 July 2009 (UTC)