ʻO 3L ʻeke-i-pahu he ʻano pahu i hoʻohana ʻia no nā wai e like me ka waina, ka wai a me nā mea inu ʻē aʻe. ʻO ka maʻamau he ʻeke ʻeke i hoʻopiha ʻia me ka wai a waiho ʻia i loko o kahi pahu pahu. Hoʻomaʻamaʻa ka hoʻolālā ʻeke i loko o ka pahu i ka mālama ʻana a me ka hāʻawi ʻana i ka mālama ʻana i ka huahana a maʻalahi ke mālama. Hoʻohana maʻamau ʻia kēia ʻano pahu no ka nui o ka wai a kaulana i ka ʻoihana waina no kona hiki ke hoʻolōʻihi i ke ola o ka huahana i ka wā i wehe ʻia.