How to make a source of argon?

TIG welding and tungsten inert gas Description TIG stands for the name comes from the United States. Tungsten - also called wolfram - 3300 º C with a high fusion point, ie, two times the normally arising from the fusion of metals with a metal point. Inert Gas gas that is non-active gas that is not involved in other elements. This method is known as Germany and W tungsten TIG welding means. TIG welding is a standardized international definition.