Mō te tāutanga pumau o ngā pūnaha tuku me te tohatoha, ngā kauhanga me ngā paipa me ētahi atu wā.
He pai ngā taura SANS 1507-4 kua whakamahanatia ki te PVC mō ngā tono kāore he āwangawanga mō ngā kaha ā-pūkaha o waho.
Te tanumanga tika ki te oneone ngāwari mō ngā whakaurunga pumau o roto, o waho hoki.
Nā te pukupuku SWA me te koti ātete wai pumau, he pai mō te whakamahi i roto, i waho hoki i ngā whare, mō te tanumanga tika rānei ki te whenua.


Tukuna he Īmēra






