mohammad hossein mehmpoosh of isfahan folad mobarakeh broadcasting news agency and specialists of a technological unit. they managed to localize the technology of cold asphalt production. this product is made of waste materials from mines and in a short period of time, cracks and holes in defective asphalt are repaired. according to the statistics of the road maintenance management system, 1250 kilometers of suburban roads need to be repaired and improved. the growth rate of accidents has increased in these few years . no one can say that the deterioration of asphalt roads has no effect, it is definitely effective now the technologists of amir kabir university of technology succeeded in making an asphalt that removes the cracks of old asphalts and increases their quality. its scientific name is cold asphalt. a large part of road maintenance is described as spotting spots in aspart pits. well, again, again, again, this is the same method of my car and heat transfer. we should prepare a solution that we can fill these holes, which we could lower the cost with a much lower cost than the usual method