the law obliges them to act and our advice to our colleagues at the level of agha fazel ab companies is to encourage people to pay these costs in order to promote. they should receive the form of cash payments and long-term payments so that these valuable environmental and health works are done efficiently and attractiveness is created, and now the explanation of the sewage. they have a requirement to use wastewater . in the first stage, according to the law, we intend to promote them for the sake of their social responsibility and to provide them with sustainable water. it can be used for underground resources and surface resources. with a consecutive drought and a loss of aquifer, it may become disturbed the industry cannot be tied to unsustainable water , that's why we invited them and asked them to move to the waste water . the face and 24 hours of using it, the statistics of how many industrial workers use it, yes, fortunately, in yazd province, in kerman province, in isfahan province, in some other provinces, such as hamedan, even the power plants of the ministry of energy have