He whakamaarama poto mo te riipene waka: He ringa maanu me te rewa ka taea te whakamahi ki te whakahaere aunoa i te taumata wai i roto i te pourewa whakamatao, i te puna wai ranei o te punaha. Te tiaki ngawari, te ngawari me te roa, te tika o te taumata wai, te raina taumata wai e kore e pa ki te p...
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