User talk:121.52.157.194

tell me some modern materials used in civil engineering

March 2017
Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to USB flash drive have been undone because they did not appear constructive. If you would like to experiment, 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. Materialscientist (talk) 06:48, 20 March 2017 (UTC)
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November 2018
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Fazlullah (militant leader) has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 07:25, 4 November 2018 (UTC)
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May 2019
Hello, I'm ST47. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Umrani— 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. ST47 (talk) 03:13, 25 May 2019 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to Askani (tribe). 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. Aspening (talk) 03:13, 25 May 2019 (UTC)

September 2019
Hello, I'm Wtmitchell. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Zahid Hamid— 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. Wtmitchell (talk) (earlier Boracay Bill) 11:00, 2 September 2019 (UTC)

December 2019
Please do not add or change content, as you did at Utility pole, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. userdude 07:15, 20 December 2019 (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.