So guys, I have to say that if we are in a technical studies technical fields like engineers and all we have to know about this and we need to update our knowledge about this field also. So guys, this is about today and I want to know from you guys that what you guys know all about the methods and what you want to keep as a suggestion, as a topics that I need to swell here. That's too. I want to know. Okay for today. Bye bye