Intrinsically ʻoku ʻuhinga ʻa e meʻangaue fakaʻuhila malu ki he ngaahi meʻangaue fakaʻuhila ʻoku fakaʻaongaʻi ʻi he ngaahi ʻatakai ʻoku tuʻu fakatuʻutamaki ʻaupito ʻa e afi pe fakaʻauha. ʻOku fakataumuʻa ʻa e ngaahi meʻangaue ko ʻeni ki he tuʻunga maʻolunga taha ʻo e fakamoʻoni.
Intrinsically ʻoku engineered ʻa e meʻangaue fakaʻuhila malu ʻi ha founga ʻoku ʻikai lava ai ʻe ha faʻahinga kalofiama pe ngaahi nunuʻa ʻoku faʻu lolotonga e tafa angamaheni pe ʻi he meʻa ʻoku hoko ʻi ha fehalaaki ʻo igniting ʻa e maumau mixtures.