User talk:2A00:23C6:7D89:4900:3CDD:1B87:7C43:C856

January 2020
Please refrain from making test edits in Wikipedia pages, such as those you made to Science, technology, engineering, and mathematics, even if you intend to fix them later. Your edits have been reverted. If you would like to experiment again, please use the sandbox. Thank you. Zefr (talk) 19:27, 21 January 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.