Me pehea taku horoi i taku hangahanga PVC?

I runga i te ahua o te horoi e hiahiatia ana, te horoi hiko, te ngongo ranei i te paru o te hanga.Mena kei te whakamahi koe i te miihini hiko, kia mohio koe ki te whakamatautau i te tautuhinga pehanga me te pupuhi i te tuatahi kia kore ai e pakaru te mata o te hanga.Ko etahi atu tikanga horoi ko te whakamahi i te kakahu maeneene me te ranunga o te horoi ngawari.