in the vice-chancellor of engineering of the ministry of petroleum, one of the departments of kalmon hasan, his duty is just to follow up on the name of the director general of the general physical assets department. this general department is responsible for the same maintenance discussions and similar issues . the power of all the companies that we have used in this field is news, the programs that we have, which is now one of the most important ports, is that we can minimize the times of major repairs and by using the capacity of knowledge-based companies , and this without any shorter time for production most of farjad, just today and i visited the exhibition, i saw two or three companies that had worked very well in this field . facilitate the contract for participation in the university. it is provided on the amount of time it takes. knowledge-based companies have this problem, which often suffer from the existing bureaucracies . this possibility has been provided for you. domestically by knowledge-based companies should be produced. foreign products should not be used. presidents, y