Wiri poka hohonu BTA ka taea te tohu momo mīhini ZJ

Hei tāpiritanga, he tino pai te whakahaere maramara a ā mātou wiri hei whakarite kia maeneene, kia kore e mutu te keri. Mā te tango maramara whai hua ka ārai i te piri o te maramara, ka whakaiti i te tūponotanga o te kino o te taputapu me te wā kore mahi. Mā tēnei āhuatanga ka whakarei ake i te mahi whānui o te wiri poka hohonu BTA ka taea te tohu ZJ, ka pai mō ngā mahi miihini nui.

Ka whakamahia e te mīhini keri ngā mata paninga kua kawemaihia mai, he pai te tukatuka, he watea te hurihanga o te mata, he roa te whakamahinga o te tinana tapahi, he iti te whakamahinga taputapu me ētahi atu āhuatanga. Ka taea te tukatuka i te maitai waro, te maitai koranu kaha teitei, te maitai kore waikura, me ētahi atu rauemi.

Ko tētahi o ngā āhuatanga tino hira o tēnei hua ko tana pūnaha keri BTA (Boring and Trepanning Association), e whakarite ana i te keri tika me te whakaiti i te wiri me te whakapai ake i te kounga o te kōhao. Nā tēnei ka tino pai mō ngā tono e hiahia ana ki te tino tika, pērā i ngā ahumahi rererangi me ngā ahumahi motuka.

Hei tāpiritanga, ka whakaratohia hoki e te keri poka hohonu BTA momo ZJ he rere pai o te whakamatao hei whakarite kia pai te marara o te wera i te wā keri. Ka ārai tēnei āhuatanga i te wera nui, ka roa ake te ora o te taputapu, ā, ka whakaitihia ngā utu me te whakapiki i te pai o te mahi.