Hiki ke hōʻuluʻulu koke ʻia nā kiwi pōpō hoʻokele kaʻa me ka hoʻohana ʻole i nā mea hana kūikawā.ʻO nā mea maikaʻi o ka valve pōleʻa i hoʻohana ʻia i ke kaʻa ʻo ia kona ʻano paʻa, pale ʻaʻahu, a me ka mālama maʻalahi pū kekahi.He mea maʻalahi ka pahu pōpō uila iā ʻoe e wehe no ka waiwai o ke kaʻa.He mea maʻalahi hoʻi ka mālama ʻana me ka ʻole o ke kaʻina hana paʻakikī.Hana ʻia ke kino o ka pahu kiʻekiʻe o ka puʻu pōpō uila i hana ʻia me ka maʻemaʻe, ʻaʻohe mea ʻawaʻawa.ʻO ke kūpaʻa ʻino ikaika ka laulā noiʻi ākea ka hiʻohiʻona o ka pahu pōpō i hoʻohana ʻia.Hoʻohana nui ʻia ka valve ball actuated i ka hoʻokele pipeline o ka wai maʻemaʻe a me ka wai inu maka, hoʻokahe a me nā ʻōnaehana pipeline wai, brine a me nā ʻōnaehana pipeline wai, acid-base a me nā ʻōnaehana hoʻonā kemika, a me nā ʻoihana ʻē aʻe.Me ke kumu kūʻai pōpō pōleʻa uila kūpono, hiki iā ʻoe ke kiʻi i nā ʻano nui like ʻole 1 ʻīniha pōpō pōleʻa uila, 2 ʻīniha pōpō pōleʻa uila a pēlā aku.Ma ke ʻano he ʻoihana loea a me ke kuleana o ka hana ʻana i ka pōlele pōleʻa uila, ʻoiaʻiʻo mākou e hiki i kā mākou mau pahu pōpō uila ke koho maikaʻi loa no ka lawelawe kiʻekiʻe a maikaʻi.