Manaʻo kānana ʻoihana:
ʻO ka kānana ʻoihana he ʻano kānana, i hoʻohana nui ʻia i ka metallurgy, ka ʻoihana kemika, ka ʻaila, ka hana pepa, ka lāʻau lapaʻau, ka meaʻai, ka mining, ka mana uila, a me ka lako wai o ke kūlanakauhale.E like me ka wai ʻino ʻoihana, kānana ʻana o ka wai kahe, hoʻolaʻa hou i ka emulsion, kānana ʻana a me ka mālama ʻana i ka ʻaila ʻōpala, ka ʻōnaehana hoʻolei hoʻomau wai, ʻōnaehana wai umu ahi i loko o ka ʻoihana metallurgical, kiʻekiʻe-pressed water descaling system no ka wela wela.ʻO ia kahi mea kānana ʻakomi holomua, kūpono a maʻalahi hoʻi.