ʻO kaʻoihana mining me ka mining & metallurgy (beneficiation + smelting) he koi kiʻekiʻe no nā valves ma lalo o nā kūlana koʻikoʻi i ka mineral a me ka hoʻoheheʻe ʻana.ʻO ka mea maʻamau he mau hiʻohiʻona o nā ʻāpana nui, paʻakikī kiʻekiʻe, viscosity kiʻekiʻe, ka waikawa ikaika a me ka alkali, a me nā mea ʻē aʻe.Aia ka HIVAL® i nā ʻīpuka ʻīpuka pahi, nā kiwi pōpō metala e noho ana, ʻelua/ʻekolu o ka hoʻopaʻa ʻana i nā pahu lele, i hana maʻamau ʻia me ka hao hao, ke kila kalapona, ke kila kila, a pēlā aku.