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Multipurpose organic waste water purifying agent developed
  The Nano Sci-Tech Institute of Kim Chaek University of Technology developed an efficient and convenient multipurpose organic waste water purifying agent.
  For its simple purifying process, the agent can be used in purifying waste water at foodstuff factories, paper mills and all other production units discharging organic waste water.
  The agent has been introduced into tens of units, proving effective.
English Language Service, Voice of Korea www.vok.rep.kp E-mail: vok@star-co.net.kp