CO2 gas is widely used in several industries, including food and beverage, medical, and agriculture. It is used to carbonate beverages, freeze food products, and extend the shelf life of fruits and vegetables. CO2 is also used in medical procedures, such as laparoscopic surgery and cryotherapy. In agriculture, it is used to stimulate plant growth and control pest infestations. Additionally, CO2 gas is used as a refrigerant in cooling systems and as an industrial solvent.