Noi:Hoʻohana nui ʻia i loko o ka metala spiral classifier mineral beneficiation kaʻina o ka metala pulp particle size classification, a hiki ke hoʻohana ʻia no ka wehe ʻana i ka lepo a me ka wai i nā hana holoi ʻai, e hana pinepine i kahi kaʻina kaʻapuni paʻa me nā wili pōpō.