Kūʻana ʻano o ka mea
Nā mahele pai ʻana
Ua hoʻokomo ʻia me kahi mōtuka haepapa kiʻekiʻe a me kahi kahikī hydraulics, hiki i nā excavator ke hoʻopau nui aku i nā hana e like me ka uahi ʻana a me ka hoʻouka ʻana, e pēlā aku ka manawa o ka hana. He laʻana, ma nā hana kuha ʻana, hiki i nā excavator ke uhi a hoʻouka pololei i ka paʻakai, e hoʻomohala ai i ka hana kuha.