chashm marahim campaign has been launched on the way from shiraz to isfahan to serve passengers. they produced dry fog. this product is used to disinfect homes, hospitals, work and semi-industrial spaces, bank branches and cultured environments up to a thousand square meters. during the corona era, to disinfect surfaces in hospitals or schools, use washing machines or chemical solutions it was used manually. but the dry fog method for disinfecting air and surfaces in closed environments is more reliable than other methods. it is a technology that the disinfectant solution must be converted into dry ions so that both smaller particles and the equipment are not damaged. when those gas particles get more energy and give or lose an electron , the existing ions have a special property. this solution with non-oxidizing properties is placed inside the air and surface disinfectant to disinfect the environment with a powerful motor. the device spreads the solution in the form of ions in space due to the flow of ions in the space from high pressure to low pressure in a dispersed manner up