ʻO ka mīkini hoʻomaʻemaʻe gravity air sieve he ʻano koho mua a me nā lako hoʻomaʻemaʻe, i hoʻohana nui ʻia no ka hoʻoili ʻana i ka palaoa huluhulu, a ua ʻike ʻia e ka huahana nui.ʻO ka hana nui o ka mīkini e pili ana i ka frame, hoist, ea separator, vibrating screen, specific gravity table...
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