User talk:203.10.91.86

Please do not add or change content without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Materialscientist (talk) 06:45, 8 May 2017 (UTC)

November 2018
Please refrain from making unconstructive edits to Wikipedia, as you did at Koko (gorilla). 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. Cl ea n Co py talk 03:21, 10 November 2018 (UTC)