21. The atmospheric air is removed and filled with inert gases such as nitrogen and argon then sealed. 22. Getters cannot react permanently with inert gases , though some getters will adsorb them in a reversible fashion. 23. Its use with inert gases was mentioned in the " Supplement to Final Exit " in 2000. 24. There are many inert gases included with the oxygen that do not take part in the reaction. 25. Additionally for low performance requirements such as attitude control jets, inert gases such as nitrogen have been employed. 26. This process is being replaced by gas metal-arc welding, mainly because of the availability of inexpensive inert gases . 27. :Yes, a hissing sound is associated with reduced pressure packing but inert gases can be used in combination. 28. Modern bulbs other than the smallest wattage ones are filled with inert gases to slightly below atmospheric pressure. 29. Some small fires have been snuffed by drilling holes and pumping in inert gases or foams that stifle flames. 30. Note also that the mixed gas stream will also contain some inert gases such as nitrogen and carbon dioxide.
