that's why the researchers of iran tobacco research institute in tirtash have found a new way to protect bee hives from deadly mites. this solution is actually completely natural and contains no chemicals. the tobacco residues produced in the tobacco company are brought to the center. in this hall, we benefited from these leftovers . we take a pyramid and evaporate its compounds using the oven we have in oxygen-free conditions. beekeepers like mr. abbasi rostami used a natural internal acaricide solution in beehives, cc for each when your hive is used, it is poured into a container and you put it inside your hive, which evaporates and destroys the mites. 800 thousand tomans per liter, and this solution produced by our center is approximately 200 thousand tomans per liter for the beekeeper. zeinab najreti of sed and sima news agency, gulogah, the experts of fanavar company succeeded in making a special device. jewelry and gold localize a device that is cheaper and more accurate than welding is done by laser method and in addition to meeting domestic demand, it is also exported. designing