Medical Applications:
Respiratory Therapy: Oxygen is used to treat patients with respiratory conditions, such as COPD, pneumonia, and asthma, as well as in emergency medicine for resuscitation and life support.
Anesthesia: Oxygen is used in combination with other gases during anesthesia to maintain proper oxygen levels in patients.
Industrial Applications:

Metal Production: Oxygen is used in steelmaking and other metallurgical processes to remove impurities from metals.
Welding and Cutting: Oxygen is used with acetylene and other gases in welding and cutting torches to achieve the high temperatures needed for these processes.
Chemical Production: Oxygen is used in the production of chemicals such as sulfuric acid, nitric acid, and various organic compounds.
Environmental Applications:

Wastewater Treatment: Oxygen is used to enhance the breakdown of organic matter in wastewater treatment plants through aerobic digestion.
Ozone Production: Oxygen is used to produce ozone (O₃) for water purification and air treatment.
Aerospace and Aviation:
Rocket Propellant: Liquid oxygen is used as an oxidizer in rocket propellants.
Breathing Systems: