Kua whakaae haere ngā kīanga e mea ana ko ngā pūoro wai kawa hērē hou ka whakamahana i te mahana o tōu wai kawa. Ko te wāhanga pai rawa o te hunga whakariterite mahi hērē, ko te mea nui kei a ia he whakatika i te waenganui o te mahana, ā, ka whakahokia he tino pai anō i roto i ia inu. Ko ēnei kauati kore ringa-e-whakamahi ana hoki ka whakawhanake hei kawe kaha mo te kawe i ngā pūoro wai kawa hērē, ka noho tūpato hoki i runga i te kawe. Ka whakaritea tēnei āhuatanga ki ngā kaiwhakaeke e pai ana ki te whakakapi i a rātou wai kawa i roto i te tūmahi, rānei, i waho.