User talk:Luis123qwe

February 2020
Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Sanex 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. Materialscientist (talk) 11:18, 19 February 2020 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to Sanex. 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. Tymon. r Do you have any questions?  11:32, 19 February 2020 (UTC)