Hoʻohana nui ʻia nā umu wela mineral no ka hoʻomaʻemaʻe ʻana i nā ores, reductants a me nā mea ʻē aʻe no nā umu uila, e kālele ana i ka hana ʻana i nā ʻano ʻano like ʻole o nā mea hao i hoʻokumu ʻia, e like me ferrosilicon, silicon industrial, ferromanganese, ferrochrome, ferrotungsten, silicomanganese alloys, a me ferronickel. , etc., i hoʻohana nui ʻia i ka ʻoihana metallurgical e hoʻomaikaʻi i ka hana o nā mea metala.

Hoʻohana ʻia ka umu wela mineral hou i ke ʻano o ka umu i hoʻopaʻa ʻia, ʻo ka mea nui o ka umu ahi, ka puʻupuʻu haʻahaʻa haʻahaʻa, ka ʻōnaehana o ka uahi, ka ʻupena pōkole, ka ʻōnaehana electrode, ka ʻōnaehana hydraulic, ka ʻōnaehana hoʻokuʻu slag mai ke kila, ka ʻōnaehana hoʻoluʻu lalo, transformer a pēlā aku. .