User talk:151.181.90.19

May 2019
Hello. This is a message to let you know that one or more of your recent contributions, such as the edit you made to Mechanical wave, did not appear constructive and has 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. TheBetrayedOne (talk) 16:58, 15 May 2019 (UTC)
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Please do not delete or edit legitimate talk page comments, as you did at User talk:151.181.90.19. Such edits are disruptive, and may appear to other editors to be vandalism. If you would like to experiment, please use the sandbox. Thank you. TheBetrayedOne (talk) 17:01, 15 May 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.

November 2019
Please refrain from making unconstructive edits to Wikipedia, as you did at Wassily Kandinsky. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. M AN d ARAX •  XAЯA b ИA M  19:00, 15 November 2019 (UTC)

Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Wassily Kandinsky, you may be blocked from editing. CLCStudent (talk) 13:54, 22 November 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.