ʻO ka pale ʻana i ka pōhaku he hana kūpono ia e hana ai i nā wahi me ka nui o ka pilikia o ka hāʻule ʻana o ka pōhaku, ka ʻāina, a me nā ʻauwaha.ʻO ka ʻupena pōhaku kekahi ʻano pale pōhaku e hiki ke hoʻohana ʻia no ka hopu ʻana i nā ʻāpana pōhaku nui mai ka hāʻule ʻana mai ka pali a pōʻino i nā limahana a i ʻole nā kānaka kokoke.A ʻo ka ʻoiaʻiʻo, he ʻano uea hexagonal mesh.