Fakatatau ki hono tanaki ʻo e fakamatala, ʻOku ʻikai iku ʻa e afi taʻe kakato ʻo e methane ki ha fakaʻauha.
ʻOku faingataʻa ki he methane maʻa ke ʻita ʻi he ngaahi tuʻunga taʻe feʻunga ʻo e ʻokisikena. Ka neongo ia, methane ʻoku kei velangofua pe, posing ha fakatuʻutamaki lahi ʻo e ngaahi fakatuʻutamaki kapau he ʻikai tokangaʻi pe tauhi totonu.