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He hononga ngā kirihou wera o te PVC me te CPVC engari he rerekē te nui o te haukini, te kaha ki te pāmahana, ngā whakamahinga me te utu. E whakataurite ana tēnei aratohu i te PVC me te CPVC, e whakamārama ana i te wāhi e whakamahia whānuitia ai ia rauemi, ā, e āwhina ana i a koe ki te whiriwhiri i te kōwhiringa tika mō ngā paipa, ngā rau PVC me ngā whakamahinga ahumahi.