The Titan II optical food sorting machine grades/sorts on quality and size guaranteeing food safety. It sorts yellow potatoes by color, defect, split, blemish, damage, size and all types of foreign materials such as metal, plastics, stones, glass and wood. For more information on yellow potato sorting, please visit http://www.tomra.com/en/solutions-and-products/sorting-solutions/food/your-produce/potatoes