ʻOku tupu ʻa e ola lelei ʻo e flameproof mei heʻene malava ke ʻi ai ha afi ʻi loto, Naʻa mo e taimi ʻoku hoko ai ha fakaʻauha ʻi loto ʻi he meʻangaue fakaʻuhila. ʻOku fakapapauʻi ʻa e containment ko ʻeni ʻaki hono fakaʻehiʻehi mei he afi mei he hola ʻi ha ngaahi feituʻu kehekehe.
Talangofua ki he ngaahi tuʻunga moʻui pau fekauʻaki mo e luo, lōloá, pea ʻoku mahuʻinga ʻa e roughness ʻo e ngaahi hokotanga hui ko ʻeni. ʻOku ʻikai ngata pe ʻi hono tamateʻi ʻe he ngaahi fetoʻaki ko ʻeni ʻa e afi ka ʻoku nau toe mokomoko foki. ʻOku nau fakasiʻisiʻi ʻa e mafana ʻo e afi ʻo aʻu ki ha tuʻunga ʻoku ʻikai feʻunga ke igniting ha faʻahinga fakafepakiʻi mixtures ʻe lava ke ʻi ai ʻi tuʻa ʻi he ngaahi meʻa ʻoku ʻi ai.