Ina whakamahia ngā muka uku ātete-whakamātautau i roto i te oumu whakamahana wera, hei tāpiritanga ki te whakakī i te pakitara o roto katoa o te oumu ki tētahi paparanga muka, ka taea hoki te whakamahi i ngā muka uku ātete-whakamātautau hei mata whakaata, ā, ka whakamahia ngā waea whakamahana hiko Φ6~Φ8 mm hei hanga kupenga anga e rua. Ka herea ngā muka uku ātete-whakamātautau ki ngā kupenga anga, kātahi ka herea ki tētahi waea whakamahana hiko angiangi. I muri i te whakaurunga o te mea mahi whakamahana-whakamātautau ki roto i te oumu, ka whakatakotoria te mata whakaata katoa ki te tatau o te oumu. Nā te pānga whakamahana wera o te muka ātete-whakamātautau, he pai ki te whakapai ake i te pānga penapena-pūngao. Heoi, mā te whakamahi i ngā mata whakaata ka uaua te tukanga whakahaere, ka ngāwari hoki te pakaru o te mata.
He rauemi ngohengohe te muka uku ātete-whakamātautau. Me tiaki i te wā e whakamahia ana. He ngāwari te pakaru o te muka i te pā horihori, te matau, te tukinga, me te pakaru. I te nuinga o te wā, he iti noa te pānga o te pakaru iti ki ngā muka uku ātete-whakamātautau i te wā e whakamahia ana ki te penapena hiko. Ina tino pakaru te mata, ka taea tonu te whakamahi mena ka hipokina ki tētahi paparanga muka hou.
I raro i ngā āhuatanga noa, i muri i te whakamahinga o ngā muka uku ātete i roto i te oumu whakamahana, ka taea te whakaiti i te ngaronga wera o te oumu mā te 25%, ka nui te pānga penapena pūngao, ka pai ake te hua, ka ōrite te pāmahana o te oumu, ka whakamanahia te whakamahana o te mea mahi, ā, ka pai ake te kounga o te whakamahana. I taua wā anō, ka taea te whakamahi i tengā muka uku āteteka taea te whakaiti i te matotoru o te arai oumu mā te haurua, ā, ka tino whakaiti i te taumaha oumu, he mea whai hua ki te whanaketanga o ngā oumu maimoatanga wera iti.
Wā tuku: Whiringa-ā-rangi-08-2021
