How do machines de-shell nuts like sunflower seeds and peanuts in massive quantities without harming the actual nut itself?

Question

How do machines de-shell nuts like sunflower seeds and peanuts in massive quantities without harming the actual nut itself?

In: Technology

Answer 1

Well, they do often break the nut meat. Then the nuts get sorted by size. Whole nuts fetch a premium. The cracked bits get sold as pieces or are ground down further.