User talk:Ali sawer

January 2016
Hello, I'm DVdm. An edit you recently made to Principle of relativity seemed to be a test and has been removed. If you want more practice editing, the sandbox is the best place to do so. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. DVdm (talk) 11:24, 16 January 2016 (UTC)