Whakamutua te rerenga e whai ake nei me te kōwhiringa pai rawa: Me pēhea te hono i te putorino PVC?  Ngā kōwhiringa: - Whakanohoia he rīpene ki waenganui i ngā wāhanga e rua, ā, whakapirihia. - Whakanohia he epoxy i waenganui i ngā wāhanga e rua, ka piri tahi.  Whakautu:
Whakanohia he epoxy i waenganui i ngā wāhanga e rua, ka whakapiri tahi.