In Hongshan culture also has some roughcast stone implement and the jade, that USES for the tool which produces and the life USES.
红山文化中也有一些粗制的石器和玉件，那是用来生产和生活用的工具。
2
Then fearing lest we should fall upon rough places, they cast four anchors out of the stern, and wished for the day.
他们又怕我们碰在礁石上，就从船尾抛下四个锚，切望天亮。
3
PCBN cutters are used for rough and fine processing various of bearing steel, tool steel, chilled steel, and other many kinds of cast steel and carbide of different hardness.