195-71-61380 HUI

Ma ke kaʻaahi -wikiwiki kiʻekiʻe, ka hana ʻana i ke alahaka a me nā papahana ʻē aʻe, pono nā mea hoʻopili hele wāwae (e like me nā hui kaʻaahi kaulahao, nā bolts plate track) e pale i ke kaumaha o nā ʻumi tona o ka mīkini holoʻokoʻa a me ka hopena o ka honua, a ʻo ko lākou hilinaʻi e hoʻoholo pololei i ka holomua o ke kūkulu ʻana. No ka laʻana, hana ʻia nā kaulahao kaulahao o kekahi kumu hoʻohālike o ka bulldozer i hoʻopaʻa ʻia ma o nā kaʻina hana forging a me ka carburizing, me ke ola lawelawe ʻoi aku ma mua o 5000 mau hola a kūpono no ka awelika o kēlā me kēia lā ka nui o ka hana honua o 800 cubic mika.

I nā hiʻohiʻona mining, pono e wāwahi pinepine nā mea hoʻohui o ka mea hana (e like me ka pine wehe) no laila e hoʻohana ʻia nā mea hui bimetallic (ʻaʻahu waho -alela paʻa paʻa + kila ikaika i loko) e hōʻoia i ka pale ʻana o ka ʻili a pale i ka haki ʻana. Ua hoʻomaikaʻi ʻia ka hoʻoheheʻe ʻana o kahi bulldozer mining i ʻekolu manawa i ke ola lawelawe i hoʻohālikelike ʻia i nā ʻāpana kila maʻamau ma o kēia ʻenehana.