I-valve yamasondo iyingxenye ebalulekile yokuphepha futhi kunconywa kuphela ama-valve avela emithonjeni yekhwalithi eyaziwayo.
Amavalvu ekhwalithi ephansi angabangela ukuthi isondo lihlehle ngokushesha njengoba izimoto zingalawuleki futhi okungenzeka ukuthi ziphahlazeke. Kungalesi sizathu i-Fortune ithengisa kuphela ngamavalvu ekhwalithi ye-OE anemvume ye-ISO/TS16949.
