Hoʻohana ka mea ʻai meaʻai a me ka mea hāʻawi wai i ka Natural Gravity Supply System, e hoʻopiha mālie ka meaʻai a me ka wai no ka ʻai ʻana a me ka inu ʻana o nā holoholona.ʻAʻole koi ʻia ka uila, hiki ke hoʻohana ʻia ma nā wahi āpau, a kūpono no ka hoʻohana ʻana i loko a me waho.kūpono no nā mākua pipi me nā ʻano hana paʻa.