mohammad hossein haji kharbari sed and radio. well, mr. doctor, we saw the report , it seems almost 5 members. the government delegation participating in this support and everyone talking about the fourth industrial revolution or the fourth industrial revolution , what does this matter mean? look. this the conference, which is actually the second conference that the ministry is the founder and host of, with the cooperation of the institutions that we were at this conference, we were also at the previous conference of the ministry of economy, and others that i will tell you later, what is important and our people know. there are significant changes that are being followed in the world. whether we like it or not, we are living in a world that is rapidly changing. the same mobile phones that you have in your hand today, for example, did not exist 50 years ago and no one would have believed that 50 years later you have a tool that you can do a lot with this tool do your daily work and don't do many of the things you used to do , do many things