I nā mines placer, loaʻa ke gula ma o ka hoʻokaʻawale ʻana i ka ʻumekaumaha, no ka ʻeli pōhaku paʻakikī, hoʻohana mau ʻia nā ʻano hana ʻē aʻe. Hoʻohana maʻamau ʻia nā pauma slurry Rubber i ka hana ʻana i ke gula, me ka hoʻokomo ʻana i ka liner volute a me ka impeller rubber.
Heluhelu hou aku