Gunpowder to ʻi he kulupu ʻo e explosives, ko ha fakaikiki ʻo e ngaahi naunau fakatuʻutamaki.
ʻOku falute ʻe he ngaahi naunau ko ʻeni ha ngaahi meʻa ʻoku ʻiloa ʻi heʻenau flammability, Maʻuʻanga Fakamatala, natula fakatuʻutamaki, toxicity, mo e radioactivity. ʻOku kau ʻi he ngaahi sipinga ʻa e penisini, gunpowder, ʻa e ʻesiti mo e ngaahi puleʻanga, benzene, naphthalene, celluloid, mo e peroxides. ʻOku mahuʻinga ke tokangaʻi e ngaahi naunau ko ʻeni ʻo fakatatau ki he ngaahi naunau fakatuʻutamaki ʻi he lolotonga ʻo e fefonongaʻaki mo e tukuʻanga koloa ke fakapapauʻi ʻoku malu mo talangofua.