ʻO ke ala he mea nui o nā kaʻa i hahai ʻia, ʻo ia hoʻi nā papa metala a me nā kāmaʻa track i hoʻopili pū ʻia. Ke neʻe nei nā kaʻa i hoʻopaʻa ʻia ma ka ʻāina ma o ke ala, a hāʻawi kēia hoʻolālā i nā pono he nui:
1. He wahi pili nui ko ke alahele me ka lepo, hiki ke puunaue i ke kaumaha o ke kaa ponoi, pela e hoemi ai i ke kaomi ma ka honua. ʻAe kēia i ke kaʻa e holo ma nā ʻāina paʻakikī e like me nā wahi palupalu a lepo lepo (e laʻa, nā puʻu a me nā ʻāina pulu), kahi e paʻa ai nā kaʻa huila.
2. Loaʻa i ke ala ka paʻa maikaʻi loa a hiki ke hāʻawi i ka hakakā ikaika, e hōʻoia i ka lawa ʻana o ke kaʻa i ka wā e neʻe ai. ʻO ka piʻi ʻana i nā pali a me ka lanakila ʻana i nā pilikia he mea maʻalahi no ia.
3. Hiki ke hoʻololi i ke ala o nā kaʻa i ʻike ʻia i nā ʻāpana ʻāina like ʻole. Inā ma nā alanui palahalaha a i ʻole nā ʻāina ʻino me nā undulations nui, hiki iā ia ke hahai pono i ka ʻāina a mālama i ka paʻa o ka neʻe ʻana o ke kaʻa. ʻO nā kaʻa maʻamau i hahai ʻia me nā bulldozer crawler i hoʻohana ʻia i ka hana ʻenekinia a me nā pahu pahu i nā noi koa, e pāʻani ana i kā lākou mau kuleana ma muli o nā ʻano o ke ala.
| Inoa Huahana | Laulā huila (MM) | Anawaena Rim (MM) | CBD (MM) | PCD (MM) | Hole Bolt | Kaumaha (KG) | |
| Kaili huila i ukaliia | 381 | 660.4 | 219.02 | 285.75 | Ka nui | Anawaena (MM) | 98.97 |
| 10 | 25.4 | ||||||
Nā huahana pale: kaʻa kaʻa huila pahu huila, Kina kaʻa huila pahu huila mea hana, mea hoʻolako, hale hana
