Ua hoʻopaʻa ʻia nā ʻenehana (e like me ka hana diesel a i ʻole nā hana elektrika) i hiki ai ke kākau i ka torque kiʻekiʻe a me ka hana hana pū ana i nā kumwe like ʻole o ka ʻāina kiʻekiʻe a me nā pōhaku.
Loaʻa kēia ʻāpana maʻamau
Ka lāna ʻōlelo ʻana e kūkākūkā iā ʻoe i kēia manawa.