Code for storage of refrigerator in canteen

According to the national food safety standard "General Hygienic Standard for Catering Services".

1, the storage items shall not exceed two thirds of the refrigerator volume.

2. There are gaps between the surrounding foods to ensure the smooth circulation of cold air.

3. Processed food and surplus food must be covered with plastic wrap and thoroughly cooled to avoid drying, cross-linking and pollution by pollutants.