APANA:

He kūpono no ka lā?au lā?au e?eli ana a me ka extraction i ke kūkulu?ana i ka māla.

Nā hi?ohi?ona huahana

?O kēia huahana he?elua mau cylinders?elua, ua pa?a kekahi i lalo o ka lima excavator, e pā?ani ana i ka hana o ke kāko?o a me nā lever.

?O ka cylinder e pa?a ana i lalo o ka mea i lalo, e koi?ia e ka mana hydraulic e ho?olō?ihi i ka pale?ana i ka lā?au.

No ka mea, ua ho?ohana?o ia i ka'ōnaehana hydraulic like me hydraulic hammer . ^.