Tuʻunga ʻo e tohi fakamoʻoni ʻo e fakaʻauha-tohi fakamoʻoni

1. ʻOku fakafaʻahinga ʻa e ngaahi meʻangaue fakaʻuhila kehekehe ʻo makatuʻunga ʻi he ngaahi tuʻunga malu ke fakaʻaongaʻi ʻi he kasa atmospheres, ʻa ia ʻoku vahevahe fakasouni: Fakasouni 0, Fakasouni 1, mo e Souni 2.

2. Ko e fakafaʻahinga ʻo e kasa pe mao fakafepakiʻi mixtures to ki ha faʻahinga ʻe tolu: IIA, IIB, mo e IIC. ʻOku fakatefito ʻa e fakafaʻahinga ko ʻeni ʻi he Experimental malu lahi taha (MESG) pe ko e Ignition siʻisiʻi taha ʻoku lolotonga ʻi ai (MICR).

3. Ko e mafana ʻo e ʻea ʻOku vahevahe ʻa e fakakulupu ki he igniting ha founga pau ki ha ngaahi feʻaluʻaki kehekehe. ʻOku kau heni ʻa e T1: ʻi lalo he 450 °C; T2: 300° C < T ≤ 450 ° c; T3: 200° C < T ≤ 300 ° c; T4: 135° C < T ≤ 200 ° c; T5: 100° C < T ≤ 135 ° c; T6: 85° C < T ≤ 100 ° c.