User talk:142.105.138.239

Please refrain from attempting to make unconstructive edits to Wikipedia. Your edits appear to constitute vandalism and have been [ disallowed by an edit filter.] If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Materialscientist (talk) 23:57, 22 May 2019 (UTC) You have been blocked temporarily from editing for making (or attempting to make) disruptive edits that repeatedly triggered the edit filter. Once the block has expired, you are welcome to make useful contributions. If you think there are good reasons for being unblocked, please read the guide to appealing blocks, then add the following text below the block notice on your talk page:. Materialscientist (talk) 23:57, 22 May 2019 (UTC)