Ka nānāʻana ma muahopena wela welaʻO ke kaʻina hana mua o ka huahana o ka huahana i hoʻopauʻia e like me ka mea i hōʻikeʻia ma kaKākau'āpana kiʻi kiʻi a me ke kaʻina hana no kaʻikeʻana i ka hana a me nā mea i waho ma hope o ka hoʻopauʻana i ke kaʻina hana e hoʻololi ai. Pono e nānā pono i nā hiʻohiʻona kiko'ī i nā mea aʻe:

①ʻO keʻano o kaʻikeʻole o nāʻeke, nā puaʻai, nā'ōpala, nā'ōpala a me nā pulupulu ma luna o ka papa wela.

② MAKAUAʻO ke kiʻi kiʻi kiʻi o ka makeʻanaE hōʻike i nā'āpana nui, nā'āpana likeʻole, nā'āpana o ka pauku, keʻano a me ke kūlana o nā lua.
③the nui a me ka pololei o ka makeUa kalaʻiae hana i ka wela e hōʻike ai i kaʻae machining, kahi maʻi ākea, ka pololei o ka dimensional, kūlana pololei a me keʻano pololei

④inskeckagend e nānā i ka nui o ka nui o ka ma lalo o ka papa ma mua o 10% -20% o ka helu o ka pā o ka make. I ka wā e hoʻokō ai ka pūʻulu o nā kala i nā kiʻi, hiki iā lākou ke komo i ke kaʻina hana. E lana ana e hala i ka nānāʻana ma mua o ka piʻiʻana o ka piʻiʻana.

⑤nsact i ka hana huahana i pau ma mua o ka piʻiʻana, e kau i nā kalana o nā kala.Ua luku. ^. Hōʻike i kaʻokoʻa.

⑥ Ma hope o ka nānāʻana, ka nui o nā huahana i hoʻopauʻia, hoʻopauʻia ka pauʻole a me ka pā'ālua hope a hoʻopaʻaʻia e ka mea nānā.