E whakamahia ana ngā takirere pūrerehua i roto i ngā momo mahi pēnei i ngā whare tukatuka wai, te tukatuka kai, ngā whare matū, me ētahi atu. Ka pāngia ngā mahi a ēnei takirere e ēnei ahumahi i a rātou e tatari ana kia tukuna. Hei tauira, i roto i tētahi whare tukatuka wai, ko te mahi matua a ngā takirere he whakahaere i te rere o te wai, ka kore e ranea te wai mā te kore e wātea ana nā te korenga o ngā takirere, ka kino pea ki te hauora o te tangata.

Ko Nortech tētahi o ngā kaihanga takirere ahumahi matua i Haina me te tiwhikete kounga ISO9001.