The AS mndandanda wachilengedwe chonse chosavuta kupanga muyezo wa aluminiyamu alloy air flow control valve ndi chinthu chapamwamba komanso chodalirika chomwe chimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Mapangidwe ake ndi osavuta komanso otsogola, kupangitsa kuti ikhale yosavuta kuyiyika ndikugwira ntchito.
Valavu yowongolera mpweya imapangidwa ndi aloyi wamba wa aluminiyamu, kuonetsetsa kulimba komanso kugwira ntchito kwanthawi yayitali. Kugwiritsiridwa ntchito kwa nkhaniyi kumapangitsanso kuti valavu ikhale yopepuka, yomwe imakhala yopindulitsa pamayendedwe ndi kuika.
