比较系统介绍了制玉工艺的捣砂和研浆、选料、剥皮、设计、粗雕、细雕、修整和抛光等工序。
This chapter also presents the procedures of jade production , such as pounding , pestling , raw material selection , material outlining , peeling , designing , rough carving , delicate carving , exquisite maintaining , polishing and so on .