User talk:193.60.223.220
February 2011[edit source]
We welcome and appreciate your contributions, but some of your recent edits had to be undone. Please see What is Wikibooks? to learn more about what contributions are beneficial to Wikibooks. Please be aware that some edits can be considered vandalism, 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 project. Thank you. Pmlineditor (t · c · l) 11:05, 4 February 2011 (UTC)
March 2013[edit source]
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Welcome to Wikibooks. We invite everyone to contribute constructively to our collection. Take a look at the welcome page if you would like to learn more about contributing. However, unconstructive edits, such as those you made to Control Systems/Feedback Loops, are considered vandalism. If you continue in this manner you will be blocked from editing without further warning. Please stop, and consider improving rather than damaging the hard work of others. Thanks. Liam987 13:48, 14 March 2013 (UTC) |
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