ʻenehana
Hana ʻia ka pūʻulu kalapona hoʻāla ʻia mai ka lanahu maikaʻi loa i koho ʻia a hui pū ʻia. ʻO ka hui ʻana o ka pauka lanahu me ke kā a me ka wai, extrusion o ka mea i hui ʻia i loko o ka Columnar ma lalo o ke kaomi ʻaila, a ukali ʻia e ka carbonization, hoʻōla a me ka oxidation.