ʻO kēia ʻōnaehana holoi kaʻa kaʻa he 9 mau pulupulu, a e holoi i kēlā me kēia ʻāpana o ke kaʻa, ʻoiai e hoʻohana ana i ka wai liʻiliʻi a me ka hoʻohana ʻana i ka mana haʻahaʻa. ʻO kēia ʻōnaehana holoi kaʻa e hoʻomaikaʻi i ka holoi ʻana i ka pono, mālama i nā pono hana, a hoʻonui i ka loaʻa kālā o ka mea kūʻai aku, e hana ana i kēia mea holoi kaʻa conveyor i mea kaulana i waena o kā mākou mea kūʻai.