Isaiah 41:15 See, I will make you like a new grain-crushing instrument with teeth, crushing the mountains small, and making the hills like dry stems. (See NAS)
Micah 4:13 Arise and thresh, daughter of Zion; for I will make your horn iron, and I will make your hoofs brass; and you will beat in pieces many peoples: and I will devote their gain to Yahweh, and their substance to the Lord of the whole earth. (See NAS)