04 1/20 o ka nui o ke kahua helikopa
He hale hana hana alumini ʻoihana mākou, e hāʻawi ana i nā hoʻonā alumini i hoʻokahi kū: Haʻahaʻa ka ikaika o ka alumini maʻemaʻe, akā ma ka hoʻohui ʻana i nā mea alloying, hiki ke hoʻomaikaʻi nui ʻia kona ikaika a me ka plasticity, a me nā mea hoʻohui alumini like ʻole, e like me...
nānā i nā kikoʻī