Food services should wear masks when engaging in which of the following operations

Do you want to ask "Which of the following operations should you wear when cutting sauced beef, washing raw beef, stewing beef, and catering services?" Cut the beef in sauce. From the food safety knowledge test bank of catering services, we learned that when cutting beef with sauce, washing raw beef, and stewing beef, catering services should wear masks when cutting beef with sauce. Catering service: Service quality and service level are not only related to the hotel's efficiency and reputation, but also to the hotel's survival and development. In the process of transforming from institutionalization, procedure and standardization to personalization and diversification, the service goal we pursue is "harmonious service".