Vinalon
Vinylon, also known as Vinalon, is a synthetic fiber produced from polyvinyl alcohol, using anthracite and limestone as raw materials. Vinylon was first developed in Japan in 1939 by Ri Sung-gi, Ichiro Sakurada, and H. Kawakami. Trial production began in 1954 and in 1961 the massive February 8 Vinylon Complex was built in Hamhung, North Korea. Vinylon's widespread usage in North Korea is often pointed to as an example of the implementation of the ''Juche'' philosophy, and it is known as the ''Juche'' fiber. Vinylon is the national fiber of North Korea and is used for the majority of textiles, outstripping fiber such as cotton or nylon, which is produced only in small amounts in North Korea. Other than clothing, vinylon is also used for shoes, ropes, and quilt wadding. Japanese-Canadian textile artist Toshiko MacAdam used vinylon in her early works, as it was more economical than nylon. Vinylon is resistant to heat and chemicals but has several disadvantages: being stiff, having a ...
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Hamhung
Hamhŭng (''Hamhŭng-si''; ) is North Korea's second-largest List of cities in North Korea, city, and the capital of South Hamgyong, South Hamgyŏng Province. It has an estimated population of 768,551. Located in the southern part of the South Hamgyong province, Hamhung is the main and most popular metropolitan area in the province. Hamhung has a thriving local economy compared to other metropolitan areas in North Korea, and it is known by North Koreans as a great area of architectural construction that was Planned economy, centrally planned, and built by the government of North Korea. Administrative divisions Hamhŭng is Administrative divisions of North Korea#Second-level divisions, divided into 7 ''guyŏk'' (wards): Geography Hamhŭng is on the left branch of the Songchon River, Sŏngch'ŏn River, on the eastern part of the Hamhŭng plain (), in South Hamgyŏng Province, northeast North Korea. Its highest point is Mount Tonghŭng, which is high. Climate Hamhung has a humi ...
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