He mea maʻamau ka noʻonoʻo ʻana i hoʻokahi pūʻulu o ka hoʻonui ʻia ʻana o ka huahana, a i ʻole ka nānā ʻana i ka pale, nā pihi i kūpono e hōʻike i nā huahana o nā meaʻai mua (unscreened) a me ka lua (screened), ʻaʻole e hāʻawi ʻia i nā mea ʻoi aku ka liʻiliʻi i loaʻa mau. i kekahi mau mea, i ka quarry-run and mine-run material.ʻAʻole hoʻohua ʻia ka ʻāliʻi maʻamau ma luna o kēia pōhaku liʻiliʻi e like me ka awelika o kaʻu, akā ʻo ka hana maʻamau i ka hana ʻeli ʻana, ʻo ia ka hoʻopau ʻana i ka nui o ka liʻiliʻi ma mua o ka mea crusher.