At a time when labor shortages are a major problem for the food service sector, a famous fast-food chain in the United States has decided to put robots in the kitchen to help prepare fries. Behind the order counters of many fast-food chain restaurants, the kitchen tasks can be repetitive: from cooking beef patties, to assembling burgers and frying chicken nuggets. But maybe robots could give humans a helping hand with some of these tedious tasks. When it comes to preparing and cooking fries, US restaurant chain White Castle is moving automation up a gear. Since September 2020, the Ohio-based c…