function and usefulness of the refrigerator

Hi my steemian friends want to post a refrigerator.
Refrigerator is an electric facility (cooling) that is very maintain the freshness of food inside. Fridge or Refrigerator consists of two factors, namely freezer and refrigerator. Refrigerators are used to put meat, fish, vegetables, and canned food.
Its usefulness is to cool and freeze, and can preserve food.