Shenhai e fakamoʻoni fakaʻauha
ʻOku ʻomi ʻe he kalasi C ha malu lahi ange ʻi hono faitoʻo ʻo e ngaahi fakamoʻoni fakaʻauha.
| Kulupu mafana ʻo e meʻangaue fakaʻuhila | Lahi taha e mafana ʻo e meʻangaue fakaʻuhila (° C) | Kasa/mao ignition e ʻea (° C) | Tuʻunga ʻo e mafana ʻo e meʻangaue |
|---|---|---|---|
| T1 | 450 | >450 | T1 ~ T6 |
| T2 | 300 | >300 | T2 ~ T6 |
| T3 | 200 | >200 | T3 ~ T6 |
| T4 | 135 | >135 | T4 ~ T6 |
| T5 | 100 | >100 | T5 ~ T6 |
| T6 | 85 | >85 | T6 |
Flameproof e ngaahi faʻufaʻu ʻoku angamaheni ʻaki hono lau kae ʻikai ko e ngaahi konga insertable. ʻOku ʻomi ʻe he ngaahi meʻangaue ʻa e kalasi C ha flameproof loloa ange mo hala e fetoʻaki. Fakapaaki ʻo e, acetylene, mo e kaponi disulfide fie maʻu ke fakaʻaongaʻi ʻa e kalasi IIC, ka ʻoku ʻi ai ha ngaahi meʻa kehe ʻoku ngaue lelei ʻaki ʻe he kalasi IIB.