Whether it concerns rehydrated pinto fresh, blanched or frozen beans: The Genius sorts and grades beans by discolorations, stems, stalks, knuckles, EVM, FEVM, insects, frogs, mice and other foreign materials such as plastic, stones, glass. For more information on rehydrated pinto bean sorting, please visit http://www.tomra.com/en/solutions-and-products/sorting-solutions/food/your-produce/vegetables/beans