At the Kim Chaek Iron and Steel Complex, they succeeded in putting the roughing process of the hot rolling shop on a PLC system while working hard to computerize the processes on a higher level.

At the Sunchon Chemical Complex, they are buckling down to introducing the process of smelting-reduction iron production by use of oxygen heat.

In the meantime, a number of major factories have been put on a CNC basis throughout the country.

At the February 8 Jikdong Youth Coal Mine, geologists invented a device capable of prospecting coal bed tens of meters ahead, in cooperation with the mine's technicians.

Light industrial scientists made a contribution to increasing the production and variety of tetron rayon fabrics by inventing a new weaving technology and helping operate the water jet loom at full capacity.