ʻO kaʻoihana mining ka paʻakikī e loaʻa i ka paʻakikī e pili ana i nā kaʻina hana. Me ia kahi wahi pōʻino, palekana i nā kaʻina hana he nui o ke kumu nui e hāʻawi i nā kūlana kiʻekiʻe e hāʻawi ana i nā kūlana kiʻekiʻe i keʻano he nui loa.

ʻO keʻano o ka neʻeʻana i nā poʻe a me nā ukana mai kahi wahi a hiki i kahi mea e pono ai ke hana e hana i ka pilikia.

ʻO ka lewa,ʻo Rail, ke alanui a iʻole ke kai,ʻo ia i nā mea e hoʻohana ai i nā hōʻailona a me nā wahi mokulele.