| http://www.w3.org/ns/prov#value | - Although the present invention has been described with particular reference to controlling the dew point of air, the invention is also applicable to other gases or gas mixtures such as hydrogen, carbon dioxide, carbon monoxide, helium, nitrogen, oxygen, argon, hydrogen sulfide, nitronic oxides, ammonia, and hydrocarbons of one to five carbon atoms such as methane, ethane and propane.
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