Whakataka i roto i te Punga
1. Whakataka i roto i te Punga ko te ahua o te roha tutaki, Whakataka i roto i punga miro he roa, me te ngāwari ki te tāuta, te nuinga o whakamahia mō whakaurunga kawenga taimaha, no reira e whakamahia whānuitia ana, he maha nga ahumahi ka taea te whakamahi, te nuinga o te mahi, he pai mo te raima me te kohatu taiao, te hanganga whakarewa, te papa whakarewa, te papa, te pereti tautoko, te awhi, te reera me etahi atu. 2. Ka whakamahia nuitia : ko te pito o te putorino ka totoro ki roto i te kohao o te pereti ngongo e theDrop in Anchor rolls, ka hua mai i te roha tonu o te pakitara o roto o te ngongo, ka puta te huringa kirihou, ka piki te diameter o te ngongo, ka tino uru te upoko ngongo ki te pakitara kohao o te pereti ngongo, ka pehia te pereti ngongo ki te whakaputa i te rerekee rapa. A, no te nekehia atu te expander ngongo, te deformation rapa o te pereti ngongo e hiahia ana ki te hoki ki tona ahua taketake, me te deformation kirihou o te mutunga ngongo e kore e taea te ora ake, me te hua ko e mau te pereti ngongo te mutunga ngongo piri, kia rite ki te whakatutuki i te kaupapa o te hiri me te hono mau i te rua.