ʻO nā ʻāpana ʻokiʻoki o nā mea hana mahiʻai - nā palau a me nā ʻōʻō, ʻŌpala Lūkini, ʻŌpala Mahiʻai, ʻŌpala Subsoiler, ʻŌpala Palau Paʻakikī,

ʻO ka palau ka ʻāpana hana nui o nā mīkini mahiʻai, i hoʻolālā kūikawā ʻia no ka huli ʻana i ka lepo, ka wāwahi ʻana, a me ka hiolo ʻana. Hana ʻia me ka hoʻohana ʻana i ka ʻenehana holomua, hōʻike kēia huahana i ke kūpaʻa maikaʻi loa i ka ʻaʻahu ʻana, ke kūpaʻa i ka hopena, a me ka pono o ka mahiʻai ʻana, e kūpono ai no nā ʻano lepo like ʻole a me nā pono mahiʻai.

1, Hana ʻia me ke kila kila ikaika kiʻekiʻe: Hana ʻia me ke kila kūpaʻa kūikawā, hoʻoikaika ʻia ma o ka mālama wela.

2, ka hoʻoikaika ʻana i ka ʻili: ʻO ka hoʻopaʻakikī kūikawā o ka ʻoki ʻoki e hoʻonui i ke kūpaʻa ʻana ma mua o 50%.

3, ʻUhi anti-corrosion: Koho galvanizing a pena kūikawā paha e hoʻoikaika i ke kūpaʻa ʻana i ka corrosion.

4, Paʻa Hohonu: Mālama i ka hohonu mahiʻai like e hōʻoia i ka maikaʻi o ka moena hua.

5. Hiki ke hoʻololi i ka lepo: Kūpono no nā ʻano lepo like ʻole me ka pālolo, ka lepo one, a me ka loam.

6. Hopena Uhi Maikaʻi: Hoʻohuli pono i nā puʻu lepo a uhi pono i nā koena mea kanu.