Inside the tent, Ba o's wife tosses patties of dried yak dung onto the fire while her four-year-old son plays with a spool of sheep's wool.
帐篷里，巴欧的妻子往火里添着牛粪饼，4岁的儿子在一旁玩着羊毛线卷。
2
Yak hair is an important speciality animal fibre. It is fine, smooth, soft, warm and so on. Yak hair spun with wool has very good economic results.
牦牛绒是重要的特种动物纤维，有细腻滑爽、柔软保暖等特点，与羊毛混纺有很高的经济效益。
3
Wool knitting products is that the yarns in knitting products containing wool, rabbit hair, cashmere, camel hair, yak hair and other natural animal hair (down).