How Refrigerator Works ? what is working Principle of refrigerator ?

Today we are gonna to show you how refrigerator works and what is the basic principle just read carefully this artical
we know that refrigerator contain a gas named as Tetrafluoroethane which starts from compressor . compressor compress it and it will become liquid and its temperature increases due to compression then it goes to outsider fan which reduces the temperature of this liquid and then transfer into internal part of Refrigerator where it expands which the help of nozzles and then remaining liquid goes to condenser and then go to the compressor a=in this way a cycle completes