I te ao o ngā otinga whakapiri, kua noho ko ngā whakapiripiri-P he mea whakakikorua ki te rapa me ngā whakapiripiri kua pania ki te PVC hei taputapu nui i roto i ngā momo ahumahi. Nā tōna hoahoa me ngā rauemi ahurei, he mea tino pai mō ngā momo mahi mai i te motuka ki te hanga, kia mau ai te whakapiripiri me te kore e whakararu i te kounga o te wāhanga e mau ana.

He tino rongonui ngā rawhi-P kua whakakikoruatia ki te rapa nā te mea he pai mō te whakarato i te whakamarie me te tiaki. Ka mimitihia e ngā arai rapa te wiri me te ru, ā, he pai mō te whakau i ngā paipa, ngā taura me ngā ngongo i ngā taiao e kore e taea te karo i te nekehanga. Ehara i te mea ka whakarei ake i te roa o te wā e mau ana tēnei āhuatanga, engari ka whakaitihia hoki te pakaru me te haehae o te rauemi e whakapirihia ana. Ahakoa i roto i te wāhanga miihini o te waka, i ngā mīhini ahumahi rānei, ka whakarite ēnei rawhi kia mau tonu ngā wāhanga ki te wāhi tika, ka whakaiti i te mōrearea o te kino me ngā whakatikatika utu nui.

Engari, he rerekē ngā painga o ngā topenga pania PVC. Ka whakaratohia e te paninga PVC he paparanga tiaki anō mai i te waikura me ngā āhuatanga taiao, ā, he pai mō ngā mahi o waho. Ko ēnei whakapiringa he mea whakamahi noa i runga i ngā whakaurunga paipa me ngā whakaurunga hiko, ā, ka taea e te makuku me ngā matū te kino i roto i te wā. Ka ārai hoki te mata maeneene o te paninga PVC i te rakuraku me te kino o te mata o ngā paipa, o ngā taura rānei, kia ma ai, kia ngaio ai te whakaotinga.

He ngāwari te tāuta i ngā rawhi-P kua whakakikoruatia ki te rapa me ngā rawhi kua pania ki te PVC, ā, he maha ngā rahi e wātea ana hei whakatutuki i ngā hiahia rerekē. Nā te maha o ngā whakamahinga ka waiho hei whiringa tuatahi mā ngā miihini, ngā kaimahi kirimana me ngā hunga e aroha ana ki te mahi-ā-ringa.

Hei whakarāpopototanga, ahakoa e hiahia ana koe ki ngā āhuatanga mimiti ru o te rapa-P, ki ngā painga tiaki rānei o te rapa kua pania ki te PVC, he mea nui ēnei otinga whakapiri hei whakarite i te roa me te pono o tō kaupapa. Awhitia te auahatanga me te whai huatanga e kawea mai ana e rātou ki tō mahi, ā, wheakohia te rerekētanga o te kounga me te mahi.