Kei te whai kano mea whakamahia te whē elipu 4 inch, inā e kore te wehi o tana pūmau i whakaekea, ahakoa kei te take te hokoaro. Nā tōna hītoraki iti, ka taea te whakawhiti ki ngā wāhi iti ake. I roto i te whenua motokā, kei te whakamahi ngā mīkanika matua i ngā whē elipu 4 inch mō te tahere me te whakapapa i ngā wāhanga iti ā-motoka me ngā raraunga tinana o ngā purengi. Nā runga i ngā tohu me te tino tūpuhi e hiahiatia ana mō te whakapapa me te whakamutunga, kei te nui ake hoki te noho i ngā mahi kōkōrangi me ngā mahi mete miwaka iti. Ahakoa te whē elipu 4 inch, ka taea te whakakoretia me te whakamutunga o te urupa i te waehere mai i ngā momo whakapapa tōmata.