It is hard to imagine a modern world without steel, skyscrapers, stations, airports, bridges, stadiums, household appliances - all these things would not have been made without the use of steel.
To produce it, you need not only raw materials from proven sources, but also appropriate technologies. In order to produce steel, which is later used for the production of car bodies, building structures, machines, catenaries and railways, each of the five stages of the production process must be reliably implemented.