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Also written as Kim Jong Il, Korean: 김정일, Hanja: 金正日; born 16 February 1941; official biographies state 16 February 1942, is the Supreme Leader of the Democratic People's Republic of Korea (also known as North Korea). He is the Chairman of the National Defense Commission, Supreme Commander of the Korean People's Army, and General Secretary of the Workers' Party of Korea (the ruling party since 1948)...
Album: People & Humanity,
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Wetting is the ability of a liquid to maintain contact with a solid surface, resulting from intermolecular interactions when the two are brought together. The degree of wetting (wettability) is determined by a force balance between adhesive and cohesive forces.
Wetting is important in the bonding or adherence of two materials. Wetting and the surface forces that control wetting are also responsible for other related effects, including so-called capillary effects...
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