A variation occurs in a Dim sum house, where seated patrons make their selections from wheeled carts containing different plates of food which the staff circulate through the restaurant. Another variation is a conveyor belt sushi restaurant, where seated patrons select dishes from a continuously-moving conveyor belt carrying a variety of foods. In another variation, Brazilian-style rodizio buffets feature roving waiters serving churrascaria barbecued meats from large skewers to the seated diners' plates.