User talk:Meisam.hajipour

April 2020
Hello, I'm TheImaCow. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Rocket engine—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. TheImaCow (talk) 18:56, 29 April 2020 (UTC)

Welcome!
Hi Meisam.hajipour! I noticed your contributions and wanted to welcome you to the Wikipedia community. I hope you like it here and decide to stay.

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Happy editing! Hillelfrei • talk •  19:50, 29 April 2020 (UTC)