ʻO ke kahe wai waena, ke kūpaʻa kemika maikaʻi, ke kūpaʻa maikaʻi loa i ke kaiapuni - ke kūpaʻa i ka māwae, nā waiwai mechanical a me nā pale wela maikaʻi, maʻalahi ke hana, a he pōkole ke kaʻina hana hoʻoheheʻe.
Nā noi
Hoʻohana nui ʻia i nā huahana e like me ka liner o loko o nā pahu hau, e hōʻike ana i ke kūpaʻa ʻana i ka mahana haʻahaʻa a me ka pala kemika.
