Ka puhi ahi, ʻike ʻia e nā hopena kemika ikaika e hana ana i ka māmā a me ka wela, ʻaʻole hilinaʻi mau i ka hiki ʻana o ka oxygen.
Hiki i ka Magnesium ke puhi i loko o ke kinoea carbon dioxide;
Hiki i nā metala e like me ke aluminika a me ke keleawe ke puhi i ke kinoea sulfur, me ka uwea keleawe wela e hua ana i ka mea eleele;
I loko o kahi lewa chlorine, mea like hydrogen, uwea keleawe, uwea hao, a ʻo ka phosphorus he mea puhi, me ka hydrogen e hoʻopuka ana i ka lapalapa haʻahaʻa ke ʻā ia i loko o ka chlorine.