Ina hangaia e koe he paipa porowhita o ngā whakaritenga rerekē, ka tohaina ngā pokepokea mō te wāhanga hanga o tā mātou mira ngongo Erw, ā, ka taea te whakarite aunoa. Ko te tikanga o tēnei, kāore koe e hiahia ki te whakawhiti pokepokea mō ngā rahi paipa rerekē, ka penapena i tō wā me tō kaha. Mā tā mātou hangarau matatau ka whakarite kia maeneene, kia tika hoki te tukanga whakarite, kia pai ai te mahi me te kounga pumau i roto i tō raina whakaputa.
Ina hangaia e koe he paipa tapawhā o ngā whakaritenga rerekē, ka tohaina hoki ngā pokepokea mō te wāhanga hanga me te rahi o tā mātou mira ngongo Erw, ā, ka taea te whakarite aunoa. Mā tēnei āhuatanga auaha ka whakakorea te hiahia mō ngā pokepokea maha me ngā whakatikatika ā-ringa uaua, ka whakarei ake i tō whai huatanga mahi. Mā te whakamahi i tā mātou mira ngongo Erw, ka taea e koe te whakaputa i ngā momo paipa tapawhā i roto i te tere me te ngāwari, me te pupuri tonu i ngā paerewa teitei o te tika me te kounga.
Mā te whakamahi i tā mātou mira ngongo Erw hou rawa atu, ka taea e koe te penapena i te nui o te wā me te moni. Ehara i te mea ka whakaitihia te wā kore mahi e te āhuatanga whakatikatika aunoa engari ka whakaitihia hoki ngā utu mahi me te hiahia mō ngā taonga pokepoke tāpiri. Nā tēnei ka waiho ā mātou taputapu hei whiringa pai mō ngā kaihanga e hiahia ana ki te arotau i ā rātou tukanga whakaputa me te whakaiti i ngā whakapaunga whakahaere.
Nā, he aha tāu e whakaroa ana? He tino whai hua, he whai hua hoki tā tā mātou mira ngongo Erw, kia tino whai hua ai tō raina whakaputa. Hokohoko mai ki tā mātou hangarau i tēnei rā, kia kite ai koe i ngā painga o ngā huringa whakaputa tere ake, ngā utu iti iho, me te kounga hua pai rawa atu. Kaua e mahue te whai wāhi ki te huri i tō tukanga hanga paipa me tā mātou mira ngongo Erw hou. Whakapā mai inaianei ki te ako atu, me te tango i te taahiraa tuatahi ki tētahi raina whakaputa whai hua ake, whai hua ake hoki.
| RAINA MIRA NGONGO ERW | |||||
| Tauira | Rpaipa porowhita mm | Tapawhāpaipa mm | Matotoru mm | Te tere mahi m/min | |
| ERW20 | F8-F20 | 6x6-15×15 | 0.3-1.5 | 120 | Pānuihia atu |
| ERW32 | Ф10-Ф32 | 10×10-25×25 | 0.5-2.0 | 120 | |
| ERW50 | Ф20-Ф50 | 15×15-40×40 | 0.8-3.0 | 120 | |
| ERW76 | Ф32-Ф76 | 25×25-60×60 | 1.2-4.0 | 120 | |
| ERW89 | Ф42-Ф89 | 35×35-70×70 | 1.5-4.5 | 110 | |
| ERW114 | Ф48-Ф114 | 40×40-90×90 | 1.5-4.5 | 65 | |
| ERW140 | Ф60-Ф140 | 50×50-110×110 | 2.0-5.0 | 60 | |
| ERW165 | Ф76-Ф165 | 60×60-130×130 | 2.0-6.0 | 50 | |
| ERW219 | Ф89-Ф219 | 70×70-170×170 | 2.0-8.0 | 50 | |
| ERW273 | Ф114-Ф273 | 90×90-210×210 | 3.0-10.0 | 45 | |
| ERW325 | Ф140-Ф325 | 110×110-250×250 | 4.0-12.7 | 40 | |
| ERW377 | Ф165-Ф377 | 130×130-280×280 | 4.0-14.0 | 35 | |
| ERW406 | Ф219-Ф406 | 170×170-330×330 | 6.0-16.0 | 30 | |
| ERW508 | Ф273-Ф508 | 210×210-400×400 | 6.0-18.0 | 25 | Pānuihia atu |
| ERW660 | Ф325-Ф660 | 250×250-500×500 | 6.0-20.0 | 20 | Pānuihia atu |
| ERW720 | Ф355-Ф720 | 300×300-600×600 | 6.0-22.0 | 20 | Pānuihia atu |
| RAINA HANGA PAIPA KOWHERO RINO | |||||
| Tauira | Rpaipa porowhita mm | Tapawhāpaipa mm | Matotoru mm | Tere mahi m/min | |
| SS25 | Ф6-Ф25 | 5×5-20×20 | 0.2-0.8 | 10 | Pānuihia atu |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Pānuihia atu |
| SS51 | Ф9-Ф51 | 7×7-40×40 | 0.2-1.5 | 10 | Pānuihia atu |
| SS64 | Ф12-Ф64 | 10×10-50×50 | 0.3-2.0 | 10 | Pānuihia atu |
| SS76 | Ф25-Ф76 | 20×20-60×60 | 0.3-2.0 | 10 | Pānuihia atu |
| SS114 | Ф38-Ф114 | 30×30-90×90 | 0.4-2.5 | 10 | Pānuihia atu |
| SS168 | Ф76-Ф168 | 60×60-130×130 | 1.0-3.5 | 10 | Pānuihia atu |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Pānuihia atu |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Pānuihia atu |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Pānuihia atu |
| SS508 | Ф273-Ф508 | 210×210-400×400 | 4.0-12.0 | 3 | Pānuihia atu |
| SS862 | Ф508-Ф862 | 400×400-600×600 | 6.0-16.0 | 2 | Pānuihia atu |