Valve ya matayala ndi gawo lofunikira pachitetezo ndipo ma valve okhawo ochokera kuzinthu zodziwika bwino amalimbikitsidwa.
Ma valve otsika kwambiri amatha kupangitsa kuti matayala awonongeke mwachangu pomwe magalimoto amakhala osalamulirika komanso amatha kugwa.Ndichifukwa chake Fortune amangogulitsa kuchokera ku mavavu apamwamba a OE okhala ndi kuvomerezeka kwa ISO/TS16949.
