Noi:Hiki ke hoʻohana ʻia i ka hoʻoili wai - 1.2 mm (- 200 mesh o 30 ~ 100%) ʻulaʻula ʻulaʻula (hematite a limonite, siderite, etc.), manganese ore, ilmenite, chromite, tungsten ore a me nā ʻano mineral palupalu palupalu, a me nā minelala metala, e like me ka quartz, feldspar, nepheline ore, kaolin no ka wehe ʻana i ka hao haumia a me ka hoʻomaʻemaʻe.