This year they have carried out the task for 3 300 technological innovations conducive to various economic sectors in the country.

The members at the Komdok Mining Complex made more than 40 technological innovations of high value in putting the complex on a normal operation, while those of the Unryul Mine invented a new tension measuring device for long-distance belt conveyor and a blaster to boost the iron ore production.

Those at the Taean Heavy Machine Complex developed a new technique of explosion welding and others.

The three-revolution team members in light industrial and agricultural fields, too, settled many sci-tech problems arising in speeding up the localization of production materials and promoting the agricultural development.