User talk:Qslv15647

September 2017
Hello, I'm DVdm. Edits that you recently made to Crystallographic defect and Time seemed to be tests. If you want more practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! - DVdm (talk) 14:20, 15 September 2017 (UTC)