Te paninga ma i runga i te papapa PVC

He pai ki te whakatairite ki te ta mata mata tawhito:

• Ma te whakamahi i te hangarau whakakikorua tika, he maamaa te paparanga whakakikorua me te kakahu, he pai te tuhi.
• Ko te whakamahi i te slurry i runga i te wai he pai ake ki te taiao ka whakatauritea ki te waituhi-hinu tuku iho e whakamahia ana i te panui mata.
• Whakapai ake i te pai o te whakaputa me te whakapoto i nga huringa whakaputa.