1. Meat and seafood: such as pork, beef, chicken, fish and shrimp, etc. You can keep it fresh in a sealed bag.

2. Ice cream and frozen dessert: It can be placed in the slightly frozen layer of the refrigerator to maintain the taste and texture.

3. Bread and cake: You can put the prepared dough or baked bread and cake into the slightly frozen layer of the refrigerator to extend its shelf life.