of the 120-day winds. shakan of khorasan, razavi and qom provinces still have the highest percentage of issuing paper versions, the head of the statistics center and information technology of the health insurance organization said that despite the growth of 15% in the participation of doctors in electronic prescriptions in the country, the share of paper prescriptions is still high in some provinces. doctors participated the most, and khorasan, razavi and qom provinces, which are at the bottom of the table, and about 80% of doctors participated, and about 20% were semi-electronically . use welds it became clear that laser welding is one of the most accurate equipments in the production of industrial machines, which provides the basis for creating a vacuum environment, and now with the internalization of this technology, the development of advanced machines is placed on the development track in the production of large industrial machines with chambers. there are several layers inside, laser welding machines must be used, the plans are cut by this machine, the parts are prepared, the manufacturing of industrial machinery is used in various industries, road construction, building, and attack on petrochemicals