Valve ya tayala ndi gawo lofunikira kwambiri pachitetezo ndipo ma valve okhawo ochokera kumagwero odziwika 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.
