What are the white case group and the red case group in the canteen?

Red case mainly refers to the cooking categories of meat dishes and steamed bowls, including braised pork, crispy meat, honey sauce meat, rotten meat, ribs and meat. ...

White case is to make pasta, roll noodles, pancakes and snacks. This is the business of the white case owner, which should be strictly separated from the chicken, duck and fish in the red case.