Pyongyang, April 16 (KCNA) -- Officials and workers of various units in the field of mining industry are bringing about innovations in the production of minerals and nonferrous metals by closely combining science and technology with production.

Workers and technicians of the Unpha Mine increased the flotation capacity through a technical innovation campaign to ensure the normal operation of air power loader and carried out mass mining and large quantity transport by rationally remodeling winches and other equipment.

The December 5 Youth Mine set up a new process for increasing the productivity of crystal mirabilite which is of key significance in establishing the self-supporting sodium carbonate industry, thus making a breakthrough for increased production.

The officials and workers of the Munphyong Smeltery introduced research findings to reduce the cost of production and increased the actual extraction rate of products, thus saving a lot of raw and other materials and increasing production.

Technicians and workers of the Phungnyon, Yongyu and Jungsan mines intensified the research into updating the performance of the face equipment and established a regular system of preventive repair of crushers, grinding mills, etc. to boost production compared with the same period last year. -0-