Concerning string cutting, tuo (emery wheel) cutting and tuo carving – and discussion of the date the tuo began to be used
From：Chinese Archaeology NetWriter：Kin-fong YeungDate：2015-12-21
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Chinese Archaeology 12 (2012): 1-12 © 2012 by Walter de Gruyter, Inc.· Boston · Berlin. DOI 10.1515/char-2012-0001