He mahi tino nui te raima i te poka wai e mahia ana i ngā wā tūhura me ngā wā whakaohooho o ngā mahi poka.

I roto i ngā tukanga uaua o te tūhuratanga me te whakaohooho o te hinu mata me te hau māori, he mea nui te mahi a ngā wai motuhake ki te whakaputa, ki te mahi anō, me te whakaohooho i ngā puna me ngā pae whakaputa.

He taonga maha ngā whakamahinga o te HEC, te Hydroxyethyl Cellulose rānei, i roto i te umanga hinu me te hau, ā, ka kitea te whakamahinga i roto i ngā āhuatanga rerekē ...