User talk:119.30.45.155

June 2023
Hello, I'm Constant314. An edit that you recently made to Bipolar junction transistor seemed to be a test and has been reverted. If you want to 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! Constant314 (talk) 03:31, 5 June 2023 (UTC)