Kua hangaia tā mātou mīhini tapahi taiaho ngongo hei tapahi i ngā ngongo whakarewa o ngā āhua rerekē, tae atu ki te porowhita, te tapawhā, te tapawhā hāngai, te porowhita, tae atu ki ngā kōtaha me ngā momo wāhanga tuwhera (Hei tauira, ngā wāhanga whiti I-beam, H, L, T, me U). Ko te whāinga o ngā otinga taiaho ngongo he whakapiki i te hua, te ngāwari me te kounga tapahi o ngā ngongo me ngā kōtaha e whakaoti ana me te tapahi taiaho muka tika ake.
He rerekē ngā whakamahinga o ngā paipa me ngā kōtaha kua tukatukahia ki te taiaho, mai i te umanga motuka, te miihini, te hanganga hoahoanga, te hoahoa taonga ki te umanga hinu matū, me ētahi atu. Mā te tapahi taiaho o ngā ngongo me ngā kōtaha ka whānui ake te whānuitanga o ngā mahi hanga mō ngā wāhanga whakarewa, ā, ka tukuna hoki ngā āheinga hoahoa ngāwari me te ahurei.