the student protests against the genocide and against the international community, which is a crime jangi s statistics of the ministry of mining industry and trade last year of dead production. heavy road construction and mining machines increased by 43% to about 4800 machines . the vice president of machinery and equipment of the ministry says that the favorable situation of this sector depends on the continued increase in the next 3 years. according to the statistics of the ministry , there are about 15,000 worn-out heavy vehicles with 20 years of life in the country that need to be replaced. the life of road construction or mining machinery that works full time is seven years, because after 7 years this machine works 22 hours a day, one day its brake pump is broken, one day its washer can be broken, one day the piston is broken, so you have another machine , but it will not be of any use to you in mining. now , the production of these heavy machines has been growing for two years . due to the efforts of the private sector, nearly 10 powerful iranian companies were able to increase thei