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In a study of the technology used in China to carve jade, a tradition predating the 5th millennium BC, eight artefacts, dated stylistically to the Neolithic Hongshan and Liangzhu cultures (4th-3rd millennia BC), the Western and Eastern Zhou dynasties (11th-3rd centuries BC) and the Ming and Qing dynasties (14th-20th centuries AD) were examined. Initially, the materials of the artefacts were analysed...
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