Introduction to the cheese porters: The cheese porters are divided into 4 teams, with 7 people in each team. They wear white shirts, white trousers, and straw hats of different colors to distinguish different transport teams. The colors of the straw hats are divided into red, yellow, There are four kinds of green and blue people, working in pairs, they work together to fill the wooden rack with cheese and move it to the scale room for weighing.