of this, we produce the product domestically, and it has the ability to be exported to neighboring countries. for more information, interested parties can contact science and technology park. contact tarbiat modares university. afrooz islami of sed and cima news agency. the number of post poles in the country will be doubled. according to the managing director of iran's national post company, the cities of mashhad, shiraz, ahvaz, isfahan and tabriz are considered the country's postal hubs, in order to increase the speed of sending parcels . increase. we are changing the number of postal hubs from the 5 we have now to 10 postal hubs. that is , we divide the whole country into 10 regions. and he looks at every parcel to see where it's destination is , where it's origin, its post hub, hub, hub, hub post. where is the nearest smart phone and it is sent there, and from there it is sent to the nearest one and to its destination. with 3d printing technology, researchers have developed pills containing several drugs that simplify the use of drugs at different times. these tablets , produced by scientists at the university of nottingham , are prepared from a special ink that contains light-sensitive molecules and so