brand, such as the mavic air, mavic provo, and phantom, such as the phantom in the phantom 4 , as well as the matrix and sparta, which are all part of the productions of the digi company. there is, but in in our country, in the field of small birds production, some of the companies of daneshbounian and in our academic field have done very good work, and this work is being done locally in the country, we can make it from 0 to 100, of course, there are a series of parts to be made. it is not economical in the country because this is what we are importing, and their manufacturing is not something beyond iran's capability, but anyway, it can be widely manufactured and used. and it is not one of the products that we can say that there are many singles and now it is difficult to check it. the opportunities created by micro-birds in the world and the services that can be obtained from micro-birds, use in environmental management and control, in the field of aerial inspection, imaging, emergency and rescue, the use of micro-birds for terra field. amazon and google are actually using it in the