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The kang (Chinese: 炕; pinyin: kàng; Manchu: nahan, Kazakh: кән) is a traditional heated platform, 2 metres or more long, used for general living, working, entertaining and sleeping in the northern part of China, where the winter climate is cold. It is made of bricks or other forms of fired clay and more recently of concrete in some locations. The word kang means "to dry".