Nā hiʻohiʻona:
1. He mea ma'alahi ka 'ano o ke ala ka'a alaka'i 'ele'ele ukana, ma'alahi ka mālama a mālama.
2. Palekana a hilinaʻi hoʻi: ʻO ke ʻano alakaʻi alakaʻi e hāpai ana i nā ukana ukana e hoʻohana i kahi ʻano hoʻokele hydraulic, e hōʻoiaʻiʻo ana i kahi kaʻina hana maʻemaʻe a me ka hana palekana a hilinaʻi.
3. Hana maʻemaʻe: I ka wā o ke kaʻina hana o ke alakaʻi alakaʻi ʻano kaʻa ukana, ua hoʻokau ʻia ka paepae i ka ikaika kaulike, holo mālie, a ʻaʻole maʻalahi nā waiwai.
4. Hiki ke maʻalahi a maʻalahi: Hiki ke hoʻopilikino ʻia ke kiʻekiʻe hāpai a me ka nui o ka paepae o ke alakaʻi alakaʻi ʻano ukana e like me ka makemake o ka mea kūʻai aku, kūpono no ka lawe ʻana i nā ukana ma nā wahi like ʻole.
