economic justification for finding a lead mine in different areas of alborz, semnan, mazandaran, ghazvin bilanvince, which basically had no economic justification four decades ago. to be active, but today the miners came to him to reactivate these mines, in fact, the mines have been destroyed, the environment of the area has been destroyed. look , you don't have a coal mine in mazandaran province. actually, the mine has been completed and the restoration has taken place. you can go to any stone mine in mazandan and golestan provinces . make the mine stable . should we use forest trees to stabilize the tunnel ? this is a phenomenon that has been happening in the last decades in the mine . you see, i have a responsibility as the manager of the mining department. to defend the mining sector, to defend my mine , well, in compliance with the law, when mine has my job, it has the duty that the law promised. he is paying his government salary and i am also paying it to the government fund. well, there should be no negligence. now, friends, the financial institutions in charge of this case should be o