He rauemi nui ngā paipa mō ngā kaupapa hanga, ā, e whakamahia whānuitia ana ko ngā paipa wai, ngā paipa rerenga wai, ngā paipa hau, ngā paipa whakamahana, ngā paipa waea, ngā paipa wai ua, me ētahi atu. I te whanaketanga o te pūtaiao me te hangarau, kua pāngia hoki ngā paipa e whakamahia ana mō te whakapaipai whare e te tukanga whanaketanga o ngā paipa rino maka noa → ngā paipa sima → ngā paipa raima whakapakari, ngā paipa sima asbestos → ngā paipa rino ngāwari, ngā paipa maitai piauau → ngā paipa kirihou me ngā paipa hiato konumohe-kirihou.

He maha ngā whakamahinga o ngā paipa, engari he raraunga noa iho hei aroturuki – ko te whānui o waho, koinei tētahi o ngā mea hei kimi mēnā he pai ngā paipa. Kua tāutahia e tā mātou wheketere he taputapu ngaio hei aroturuki i ngā raraunga whānui o waho o ngā paipa maitai i ngā wā katoa kia pai ai te kounga o te hua. He tohunga tā mātou wheketere ki te hanga paipa maitai, paipa maitai kore hononga, paipa maitai piauau, pereti maitai, tūāpapa me ngā taputapu tūāpapa, paipa whare kati kōtuhi, paipa pania tae, paipa rehu.