User talk:173.71.204.75

May 2021
Hello, I'm Rdp060707. An edit you recently made to Exhaust gas 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. Thank you. Rdp060707&#124;talk 08:41, 10 May 2021 (UTC)