| http://www.w3.org/ns/prov#value | - In conventional filling operations, such as in the filling of a common metal barrel for draft beer, the barrel is filled from beer tanks at a suitable internal pressure at 30 to 32??? F., with the beer having a dissolved carbon dioxide content of about 2.4 to 2.6 volumes (e.g., a volume of dissolved carbon dioxide of 2.4 to 2.6 times the volume of the beer).
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