He roanga whakarerea mō te poraka whakarērea i te āporo, ka whakaaro ki ngā whakatakoto tataki o te āporo. Nō reira, e hia kē ana te roanga mō ngā mete softa hei whakawhiti i te wera, me whakamana i te iti tonu o te wera, ko te wera e pā ana kauhua kore pūtake. Me whai mana ki te wā e pā ana i te āporo i runga i te whakapae here, he here bond interface shielded rākau whakarerea, ka hanga noa ina e kore e hanga here ki ngā poraka āporo, e awhina ana i te auger i te tahua āporo. Kei ngā nohonga whakaora motokā me ngā nohonga whakaaha rangi, e whai take ana i ngā poraka whakarērea mō ngā poaka tuhinga, nā te take i ō rātou whakapono ki te hanganga āporo me ngā whenua whakauru, ā, me ngā whenua e hāngai ana ki ēnei.