Kōrero: Sewage, water and waste

Ngā whakaahua, ngā rauemi katoa

Me pēnei te tohu i te whārangi:

Christine Dann, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/sewage-water-and-waste/media (accessed 28 October 2020)

He kōrero nā Christine Dann, i tāngia i te 11 Mar 2010