leka uila:chenzhenxiang@optfan.comʻOihana Kimia, ʻoihana kaʻa, ʻoihana hana moku, mining a me metallurgy, ʻoihana meaʻai, uila a me ka uila, ka mana nuklea, turbine kinoea, peʻa puhi, ʻoihana paka, ʻoihana pepa, peʻahi tunnel, peʻahi mahiʻai, ʻoihana kō, mea kanu sima, hana aniani. ʻoihana, ʻO nā ʻoihana i luna e pili ana i ka mīkini hoʻomaha.
Ka manawa hoʻouna: ʻOkakopa-14-2021