you can check how much the increase in the export of campan was, how much the decrease in ethlini's monetary products was. you are almost a year apart. almost one million, and if i am not mistaken, 20,1 million and 123 thousand tons, we had a reduction in the export of the ethlinian monetary mass because of this issue, because of this issue, mr. abbaszadeh, how many obstacles do you face now , except for the points that mr. najafi mentioned, what are your points ? you are going to add that it prevented us from completing and developing our value chain. yes, you see, in the development of the value chain , as mr. engineer najafi said, one of the main foundations of the production of these products is technical knowledge, in such a way that the technical knowledge of the products that are at the bottom of the chain lt is or we mention it as a chain or downstream products, it is difficult to make it available to other countries, the reason is probably not the embargo. they don't do it unless they themselves are partners in it because of the small market these products have and they don't want t