He haumaru ngā pouaka PET mō te kai mō te whakamahi, nō te mea he pakitūtonu rātou, ka tiakina te haumaru me te pai o te kai. Kua hangaia ēnei pouaka i runga i ngā matāwhero e pai ana te whakawhanaunga tuatahi ki te kai me ngā inu. Kaore rātou e mau ana i ngā momo pūoro, i ngā hioata, heoi ā, ka pai noa ia hei whakamahi mō ngā paiaka, kaweke, ā, ko ngā pouaka PET e pai ana mō ngā hiahia katoa o tō take whakapakoko kai.