ID 37503500 © Audriusmerfeldas | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
and check checking circuit computer connect connection debug design developing development device diagram drawing electro electronics engineer engineering fingers handbook innovation instruction investigating investigation manual pointing printed product repair research schema schematics science scientific showing symbol symbolic system technical technology test testing thesis troubleshooting unit