ʻO ka pahi ʻike daimana no ka ʻoki pōhaku i hoʻohana ʻia no ka ʻoki ʻana a me ka wili ʻana, marble, granite, microcrystalline stone, quartz stone, sandstone, artificial stone, refractory brick ect. ʻO ka ʻokiʻoki, kūpaʻa maikaʻi, Loaʻa ke kino metala ʻoluʻolu no ka hōʻemi ʻana i ka pollution kaiapuni. Hiki ke hoʻohana ʻia kēia mau lau ma nā mea uila uila.