Hōʻike Pōkole:

Hoʻohana nui ʻia ʻo Y19A lima-paʻa pōhaku kinoea wāwae wāwae i ka hoʻomohala ʻana i nā lua liʻiliʻi, nā hana miniaina i nā mines lanahu, nā mines limestone a me nā mina liʻiliʻi ʻē aʻe, ʻeli pōhaku ʻana a me ka pahū ʻana i ke kūkulu alanui ma nā wahi mauna, a me ka hoʻoulu wai a me ka mālama wai ʻana. Kūpono nō hoʻi ka mīkini no ka ʻeli ʻana i ka lua o ka pahū a me nā ʻenehana ʻē aʻe o nā mines nui. Hoʻohui ʻia ʻo Y19A ʻano ʻūlū wāwae ʻūlū wāwae ʻano pahuhopu me ka wāwae ea ʻano FT100, i hiki ke hoʻohana ʻia no ka ʻeli ʻana a me ka pulu ma ka pōhaku paʻakikī a paʻakikī paha. Hiki ke hoʻohana pū ʻia kēia mīkini me kahi mīkini ea liʻiliʻi o 1.5-2.5 cubic mika / min. ʻOi aku ka maikaʻi o kāna hana ma mua o nā huahana like.