Officials of the Ministry of Metallurgical Industry have solved the knotty problems at construction sites while putting the whole work on a sci-tech basis.

Workers of the Kim Chaek Iron and Steel Complex engage in the construction of an energy-saving oxygen heat blast furnace. They also make progress in installing a large oxygen separator.

Similar successes are made by the Hwanghae Iron and Steel Complex which has put new technical innovation plans into practice.

Innovations are witnessed in such mines as the Unryul Mine and the Jaeryong Mine.

Officials and workers in the relevant sectors strive to fully ensure the supply of various equipment and accessories to the Juche-based remodeling projects in the metallurgical industrial sector.