User talk:2405:204:1002:C80E:DB44:6976:A23B:F588

September 2018
Hello. This is a message to let you know that one or more of your recent contributions, such as the edit you made to LED lamp, did not appear constructive and has been reverted. Please take some time to familiarise yourself with our policies and guidelines. You can find information about these at our welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Thank you. theinstantmatrix (talk) 09:53, 10 September 2018 (UTC)

Please do not add or change content, as you did at LED lamp, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. theinstantmatrix (talk) 09:58, 10 September 2018 (UTC)