| http://www.w3.org/ns/prov#value | - In addition to controlling pressure, fluid-control valves regulate the rate the flow of fluid i.e. how brake fluid, transmission oil, refrigerants and other fluids are used in the car.In the last half of the twentieth century, the manufacture of chlorofluorocarbons for use as propellants in aerosol sprays and refrigerants has resulted in a slow mixing of these compounds with the stratosphere.Howev
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