7. What is silk reeling and what is Gu embroidery? 8. What is stone design? 9. "Ge Yao

Silk reeling, embroidery and stone tools are designed as follows.

1, silk reeling, also known as engraving, is one of the traditional silk weaving techniques in China and the essence of China silk works of art.

2. Gu embroidery is a traditional folk art in Shanghai and one of the national intangible cultural heritages.

3. Stone design is the technology represented by the early Paleolithic stone tools in China, such as the herringbone cave in Fanchang, Anhui, Ma Quan ditch in Nihewan, Yangyuan, Hebei, Wushan, Chongqing, etc.