* Fluorescent light bulbs: Argon is used as a filling gas in fluorescent light bulbs to create the plasma that emits light.
* Other gas discharge lamps: Argon is used as a filling gas in a variety of other gas discharge lamps, such as mercury-vapor lamps and high-pressure sodium lamps.
* Welding and metalworking: Argon is used as a shielding gas in welding and metalworking operations to protect the metal from oxidation.
* Aerosols: Argon is used as a propellant in some aerosol cans.
* Fire extinguishers: Argon is used as a fire suppressant in some fire extinguishers.
* Medical applications: Argon is used in a variety of medical applications, such as laser surgery and cryosurgery.
* Food packaging: Argon is used as a modified atmosphere packaging (MAP) gas to extend the shelf life of food products.
