The use of a liquid CO2 tank to store liquid carbon dioxide in the refrigeration industry is very popular as a cooling agent. This product is used to keep food at a constant temperature. They also benefit from liquid carbon dioxide in ice cream transportation. Carbon dioxide is used to a large extent in the preparation and production of carbonated drinks. Other uses of liquid carbon dioxide tank include welding industry, foundry industry, food industry, pharmaceutical industry, laser, oil recovery, coffee decaffeination and steel making.