User talk:85.52.231.189

May 2021
Hello, I'm Novem Linguae. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Timeline of materials technology—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. – Novem Linguae (talk) 12:23, 6 May 2021 (UTC)