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Successes made in scientific researches
  Scientists of the Rubber Materials Institute of the Hamhung Branch of the State Academy of Sciences made successes in the researches for ensuring home production of materials and parts needed in reality.
  They manufactured and introduced hundreds of winch friction pieces to contribute to mechanizing the pit work at the Komdok Mining Complex and made a large rubber roller needed for normalized production at an essential plastic goods factory with domestic raw materials.
  They are striving to develop rubber goods needed in the economic practice in the direction of obtaining a maximum profit at a minimum cost price.