User talk:2409:4066:302:E804:ECE6:5E2:9A2F:FA35

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) 14:18, 26 August 2021 (UTC)

August 2021
Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did with this edit to Rukma Roy, you may be blocked from editing. Materialscientist (talk) 14:21, 26 August 2021 (UTC)