User talk:146.185.34.89

February 2019
Hello, I'm Girth Summit. I wanted to let you know that one or more of your recent contributions to Venturi effect have been undone because they 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. Girth Summit  (blether) 11:07, 25 February 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

April 2019
Hello, I'm Serols. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Film (disambiguation)— 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. Serols (talk) 10:48, 21 April 2019 (UTC)

May 2019
Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to Pigeonhole principle. Your edits appear to be vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. --Chris (talk) 13:06, 3 May 2019 (UTC)