Na Mikini No ke Kapili Alanui
He aha nā mea hana pono e hoʻohana ʻia no ka ʻeli ʻana i ka geology ikaika
Alanui Mills
Auger drills
ʻŌlelo Aʻo No ke koho ʻana i ka mea hana pono ʻeli ʻo DERRICK AUGER no ka hana
Pehea e ʻike ʻia ai nā limahana i ka Tungsten Carbide?
He mea weliweli maoli ka inflation i ka ʻoihana kūkulu hale.
He mea kōkua ka ʻoihana tunneling i nā hoʻokuʻu CO2 honua









