Ancient jade workshops are similar to jade workshops. Have you got any pictures?

The above pictures are pictures of ancient people processing jade articles. The pedal on which you step can drive the wheels on it to rotate continuously, and then sprinkle jade cutting sand on the jade. Through the friction of the jade cutting sand, the jade is slowly ground into jade. In ancient times, carving jade was a technical activity that consumed a lot of energy and energy. A small jade article often takes dozens of days to complete, and more complicated it takes several years.

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