ʻO ka mīkini liʻiliʻi Sieve kahi ʻano mīkini hou i ulu wikiwiki i nā makahiki he 20 i hala. Hoʻohana nui ʻia ia i ka metallurgy, nā mea kūkulu hale, nā kemika, ka meaʻai, ka mining a me nā ʻoihana ʻē aʻe, ʻoi aku ka mining a me nā ʻoihana metallurgical.
I ka ʻoihana hana hao, hiki ke hoʻohana ʻia ka mīkini kānana no ka hoʻomaikaʻi ʻana, e like me ke kānana ʻana i ka ore a me ka coke; i ka ʻoihana lanahu, hiki ke hoʻohana ʻia no ka hoʻokaʻawale ʻana, ka hoʻomaloʻo ʻana, ka desilting, a me nā mea ʻē aʻe o ka lanahu; i ke kūkulu ʻana, nā mea kūkulu hale, ka hydropower, ka halihali, a me nā mea ʻē aʻe. Hiki ke hoʻokaʻawale ʻia nā pōhaku; i ka ʻoihana māmā a me ka ʻāpana kemika, hiki ke kānana ʻia nā mea maka kemika a me nā huahana.