User talk:5.133.57.221

May 2020
Hello, I'm Thegreatluigi. An edit that you recently made to Duplex (telecommunications) seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! Thegreatluigi (talk) 11:59, 26 May 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.

Please refrain from making test edits in Wikipedia pages, such as those you made to Duplex (telecommunications), 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. Thegreatluigi (talk) 12:01, 26 May 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.