Different kinds of water purifiers have been developed in the DPRK.
Among them is “Munsu”-trademarked purifier made by the Kumhwa Trading Company.
According to Dr. Kim Kwan U, its developer, this purifier can be used at any place without consumption of power. It is able to turn river, lake and rain water into the one with low association degree and its bacterial filtering rate stands at nearly 100 percent.
The purifier is now enjoying popularity at households and public service establishments.
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