zasti, you and i have no honor except to serve the people. his outstanding characteristics were that he served the people, was kind to the people, and was friendly to the people. the same people expect from their future president the authorities should respect the people , it would be great if they understand the hearts of the people, we expect them to do this work just like mr. raisi . specialists of a technology unit managed to internalize the 3d printer and concrete required for this equipment . this product is used to make building construction materials with a desired plan and it has reached the production stage with one tenth of the price of foreign samples. almost 3 decades since this technology entered the construction industry. the instrument passes what is called 3d printing and it can provide the possibility of building concrete structures in a conductive type manner. it is higher, it means it can give better maneuverability , it can create any spatial shape, the next thing that is very important is to consume less , use less energ