27
Black cumin isn't threshed with a sledge, and wagon wheels aren't rolled over cumin. Black cumin is beaten with a rod and cumin with a stick.
28
Grain is ground into flour, but the grinding eventually stops. It will be threshed. The wheels of his cart will roll over it, but his horses won't crush it.
29
All of this has come from the LORD of Armies. His counsel is wonderful, and his wisdom is great.