1. He aha i whakamahia ai e ngā kaimahi hiko he paipa whakarewa?
Ka taea te whakamahi i ngā paipa whakarewa hei tiaki i ngā ara iahiko tairongo mai i te pokanoa hiko-hiko, ā, ka taea hoki te ārai i te tukunga o aua pokanoa mai i ngā taura hiko kua kati. He ātete ngā paipa kore-whakarewa ki te waikura, ā, he mama hoki, ka whakaiti i te utu mahi tāutanga.
2. He aha te rerekētanga i waenga i te paipa hiko me te paipa piauau?
Ka taea te hanga paipa piauau ki te tata ki ngā diameter katoa, engari kei te wātea ngā paipa whakarewa pakari i ngā diameter i waenga i te 1/2 inihi me te 6 inihi. Ka taea te mīhini i ngā paipa piauau kia whakaatuhia he miro, he hononga rānei ki ngā pito. He mea hoahoa te paipa whakarewa pakari me te pito hononga kotahi me te pito miro kotahi.
3. He aha te painga o te paipa whakarewa?
Ka ārai i te pānga i ngā pāmahana katoa. He pai ake te tiaki tinana o te maitai EMT, RMC me te IMC. Ka whakapiko i ngā whao me ngā tīwiri, ā, kāore e totoro, e haehae rānei. E whakaatu ana i te pakari me te kaha kume/kaha kume teitei rawa.