let's find ravgan in the field of cars . now our fleet is very worn out, it is more than 15 years old, in fact it is 15 to 20 years old. now the world does not use it for more than 5 years. it means that it has been 5 years. more than 15 years, how much of the fleet we have in the field of cars is now worn out and needs to be replaced or should it be repaired or see an assessment was done , we are in a 5-year plan, something in the billions of dollars in this area should be the minimum that we have to spend , whether in the form of domestic production or in the form of supply , consider something like linear yearly , for example, about 400 we have to spend up to 500 million dollars in this area to allow the machines to be produced or we can import them . so that our production line in the field of mining is not interrupted, how much of this 5-year program to replace worn-out machinery during mining was done? how much of that capital is our production capacity? if it decreases, the first thing is the issue of supply, where th