User talk:198.150.66.2

April 2017
Please refrain from making test edits in Wikipedia pages, such as those you made to Polyvinyl chloride ‎, 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) 01:31, 7 April 2017 (UTC)