User talk:168.216.73.2

The recent edit you made to Cell membrane constitutes vandalism, and has been reverted. Please do not continue to vandalize pages. If you wish to make useful contributions, read the introduction to editing. Thanks – Qxz 15:47, 23 February 2007 (UTC)

Please do not vandalize pages, as you did with this edit to Cell membrane. If you continue to do so, you will be blocked from editing – Qxz 15:48, 23 February 2007 (UTC)

This is your last warning. You will be blocked from editing the next time you vandalize a page, as you did with this edit to Cell membrane. – Qxz 15:49, 23 February 2007 (UTC)

May 2010
Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to List of rock types, did not appear to be constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and read the welcome page to learn more about contributing constructively to this encyclopedia. Thank you. Iohannes Animosus (talk) 15:12, 24 May 2010 (UTC)
 * If this is a shared IP address, and you didn't make any unconstructive edits, consider creating an account for yourself so you can avoid further irrelevant warnings.