How do machines peel vegetables?!

Question: How do machines peel vegetables!?

Last week I was eating a ready made meal and noticed the cut up carrots and onions!. Then i started to think!.!.!.how do they peel these vegetables!? I realise that it's probably a machine but all vegetables are different sizes so how do they peel each one!.
Anyone know!?Www@FoodAQ@Com

Answers:

They are tumbled in a vessel that has a rough surface!.!.!. like sandpaper!.!.!. it rubs the outer surface off!.Www@FoodAQ@Com

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How do machines peel vegetables?!

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