Hoʻohana nui ʻia ka hui ʻana o ka lolouila nui no nā ʻano granular, sheet, strip, cone a me nā mea like ʻole e like me ka quantitative ke kaupaona ʻana, ma o ka hui microcomputer lōʻihi e like me ka hui pū ʻana o ke ana kikoʻī kiʻekiʻe, kiʻekiʻe ka pono, hoʻemi i ka pollution a me ka pau ʻole o nā mea i loko. ka hale hana, hoʻomaikaʻi i ka hana pono.

