User talk:80.90.170.73

February 2009
This is the only warning you will receive for your disruptive edits. The next time you delete or blank page contents or templates from Wikipedia, you will be blocked from editing. E_dog95'  Hi ' 01:20, 7 February 2009 (UTC)
 * If this is a shared IP address, and you didn't make the edit, consider creating an account for yourself so you can avoid further irrelevant notices.

July 2010
Welcome to Wikipedia. The recent edit that you made to the page Traffic light has been reverted, as it appears to be unconstructive. Please use the sandbox for testing any edits; 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 for further information. Thank you. Yoenit (talk) 10:21, 8 July 2010 (UTC)

April 2011
Please refrain from making unconstructive edits to Wikipedia, as you did at Computer-aided software engineering. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Thank you. Jamietw (talk) 08:03, 20 April 2011 (UTC)
 * If this is a shared IP address, and you didn't make the edit, consider creating an account for yourself so you can avoid further irrelevant notices.