this effect , although the markings of the american markal company were imported, which was banned usingctions, and thank god, we were able to use the same quality of the american company and with let's design and produce it at a much more reasonable price. the specialists of this collection also succeeded in producing sealant paste. we designed this sealant which was imported from european countries and thank god it has been used in mobarakeh steel for about seven or eight months now , it has been tested in hormozgam and suva and sent to khuzestan. this paste is being used for the application of sealant paste produced in the country's steel industry during the preparation of the casting machine for the start of the line. starting to produce ingots, so-called to close the bottom of the ingot, this seam and the gap that we have between the copper plates and that ingot is used as a replacement , the gap is almost under one centimeter, which is taken with this paste, but the characteristics of the casting paste that it is distinguished from other products by three important features . secon