User talk:2604:2000:15C0:C653:58C5:79EE:2B64:4C81

June 2020
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. Magnolia677 (talk) 11:26, 13 June 2020 (UTC)
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Please do not add unsourced or original content. Doing so violates Wikipedia's verifiability policy. If you continue to do so, you will be blocked from editing Wikipedia. Materialscientist (talk) 02:30, 14 June 2020 (UTC)