User talk:206.219.68.130

February 2017
Please refrain from making test edits in Wikipedia pages, such as those you made to Abundance of elements in Earth's crust, even if you intend to fix them later. Your edits have been reverted. If you would like to experiment again, please use the sandbox. Thank you. Materialscientist (talk) 00:55, 24 February 2017 (UTC)