| http://www.w3.org/ns/prov#value | - Oil Filters: Why Failure Is Not An OptionThe role of this valve, said Nu??ez, is to direct unfiltered oil to engine parts, rather than no oil at all if the filter becomes clogged or if, in particularly cold weather, the oil is too thick to pass through the filtering media until it warms up and thins out. ??? Retrieve Doc
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