Hei hononga miihini nui, he mahi nui tā ngā pūtu flange 660 i roto i te ahumahi, te hanga me ētahi atu mara hangarau. Hei whakarite i tōna mahi me te haumaru, me whakatinana te whakahaere huringa ora (whakahaere huringa ora). Ka whakaatuhia i roto i tēnei tuhinga ngā wāhanga hanga, tono me te tiaki o ngā pūtu flange 660, me te arotahi ki te whakahaere pai i ia hononga hei whakapai ake i te pono me te whai hua o te hua.