User talk:31.223.64.35

December 2021
Hello. This is a message to let you know that one or more of your recent contributions, such as the edit you made to Laminated glass, did not appear to be constructive and have been reverted. Please take some time to familiarise yourself with our policies and guidelines. You can find information about these at our welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Thank you. Serols (talk) 16:00, 18 December 2021 (UTC)

Please do not add or significantly change content without citing verifiable and reliable sources. Before making any potentially controversial edits, it is recommended that you discuss them first on the article's talk page. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Serols (talk) 16:01, 18 December 2021 (UTC)