1. Te Whai Huatanga Whakanuia: Ka mahi tonu ngā karetao, kāore he okiokinga, ka whakakapi i ngā mahi ā-ringa wā poto, ka whakapiki tika i te whakamahinga o ngā mīhini mā te 30%; he pumau, he taea te whakahaere i te auau whakaputa, ka hua ake he putanga pumau ake.
2. Te Whakaiti i ngā Utu mō te Wā Roa: Ka whakaiti i ngā utu mahi mō ngā mahi auau, me te karo hoki i ngā ngaronga whakangungu me te whakawhiti mahi nā te hurihanga o ngā kaimahi.
3. Kounga Pūmau: Ka tutuki i ngā karetao te tika o te tūnga i roto i te ±0.02mm, ka whakakorea ngā hapa whakahaere i roto i te whakahaere rauemi ā-ringa, ka whakarite kia pūmau te tukatuka i ngā mea mahi, ā, ka tino whakaitihia ngā reiti hapa.