the design and internalization of the sonography device by the efforts of basiji danesh baniyan technologists. this device compared to the foreign sample is about 40% of its price, and the foreign grade , which is ge, is about 5 billion tomans. this 2 billion tomans means that there are about 4 similar foreign ones, and according to the research we have done , it is almost the same as other domestic production companies in terms of quality and brand. it is much higher, or the design and production of refractory bricks. this product is anti-moisture and anti-heat, and some of these enclosures are anti-explosion, and the most important thing is that the raw material used in this product is entirely made of desert sand. used lipstick. these are part of the products of basiji technicians it is an exhibition with the title of popularization. using this technology, which is all indigenous and does not require complex knowledge, the value of the discarded wool is about 3 times when it is turned into yarn and up to 10 times when it is turned into wool and... it becomes industrial felts. it increases