How does the deli display food by grade?

The cooked food department displays, and the cooked food display follows that the goods must be displayed at the correct temperature. The display of cooked food follows the basic principles of commodity classification, such as fried goods, baked goods, brine goods, pastry goods, semi-finished products, Chinese food goods, brand cooked food goods and so on. The display of cooked food products must pass quality inspection, and only those that meet the requirements can be sold. The goods displayed in cooked food must be marked with time code to control the quality of goods with a shelf life of only a few hours. The display area of cooked food products must match the sales volume. The display of bulk cooked food is mainly full, neat and bright-colored, while the display of packaged cooked food is mainly neat and full single-layer or double-layer display. Fish display, live fish alive: water temperature and salinity should meet the requirements, water circulation should be smooth, and oxygen is sufficient. Fish with similar characteristics and living environment can be displayed together, and the number should not be too large. If they are found dead, they should be salvaged immediately. Seafood, chilled: Crushed ice should be sprinkled on fish to keep it fresh. The front of the fish head faces the customer, and the whole display surface is sloping, colorful and full of diverse shapes. Frozen seafood: Do not exceed the loading line of the freezer.