My specialization is computer technologies. I like to share what I know with everyone, I publish educational videos on YouTube in various fields, such as computer and mobile maintenance and explain their softwares, simple devices industry, controlled robot arduino, security and safety, Android and iPhone, and other videos that are related to different technologies. Moreover, I publish the notifications on Facebook in different fields.If you like to get the new videos, you can subscribe to the channel. www.facebook.com/alihadi.infowww.instagram.com/alihadi.info