I-Denso valve orifice plate ye-YS ingaxazulula inkinga yomthelela oqinile phakathi nenqubo yokuvala, ukunciphisa ukucindezeleka komthelela oguquguqukayo, ukudlidliza okunciphisa, ukukhulisa impilo ye-valve orifice plate, ngaleyo ndlela kuthuthukise impilo yomjovo.