What is an oxygen bar used for. Photo by: Further it makes it easier to ensure that no gases such as sulfur dioxide are lost and pollute the atmosphere. For example, there is an unusually large amount of ozone in the Earth's upper atmosphere. Uses of Oxygen Supplements Robin Wasserman. Each variation is an isotope. Thus, a setting 2. I had a machine from a local provider which was so noisy I could not sleep. The key to the whole process is this use of the very cold nitrogen, oxygen and argon to cool the incoming air prior to the expansion. Aluminium alloys and stainless steel are frequently used. The liquid air is separated into its constituent components by fractional distillation. I am very active, ride my bicycle still and hike mountains in Colorado. It is also used as manado girl inert gas in electric light bulbs when mixed with nitrogenas a low thermal conductivity medium within double-glazing window units and for semiconductor manufacture.