He maha ngā pai āhua o ngā kēti whakamātau holoa i hanga hei whakarite i te mea nui ki te ao tūranga moemoeā me te tiaki i ngā pūtake tohu. Tuatahitia, he mea hoki e whakamahia ai ki te whakamātau a-whatu ki ngā mahi whakamātau, ā, kia āhei ai ngā kaiwhakamahi me ngā kaitīmatatū kia whakamātau i ngā mahi kore-tauira, kore-kōwhiringa. He maha ngā āhuatanga tiaki i roto i ngā rārangi tuatoru, e whakauru ana i ngā āhuatanga kotahi me ngā āhuatanga matihiko, whakatūria ai he whakahaukaha pai ki te tiaki i te whakapae o ngā whakaputurua. Nō reira, ka noho haumaru ngā kēti nei i runga i ngā whakaaetanga kētī o era atu, ā, ka tuku haere i te tiaki pai i ngā wāhanga iti i runga i te utu o ngā raraunga kaupapa. Ka noho pono ngā āhuatanga tiaki iwi, ka kitea ai ngā whakamahi kore mana, ka whakatika ai te tiaki i te whakapae o ngā whakaputurua rerekē rānei. Ka whakaae i ngā whakaaturanga motuhake, ka whakaae ai ngā pūtake tohu ki ngā āhuatanga tiaki i te mana. Ka whakauru ki ngā raraunga matihiko whakamātau, ka whakatū mai i ngā āhuatanga whakamātau me ngā āhuatanga whakauru i te wā, ka tukuna ai ngā raraunga nui i te whakawāhi mahi me ngā whakapae tiaki kē. Ka noho pono ngā kēti holoa i ngā wāhanga whakamātau, ka tiakina i te wā e whai ake ana, ka whakamana i ngā wāhanga tiaki i ngā āhuatanga taiao katoa, ka whakaae ai ki ngā mahi whakamātau i waenganui i ngā whare me ngā wāhi marangai. Ka whakaae i te whakamahi i waenganui i ngā momo kaiwhakaahu, mai i te kākano ki te porohita me te mātauranga. Ka whakamahi i te mātauranga matihiko ki te hanga i ngā kēti nei, ka noho korenoa te whakaputu ki te hanga i te kore whakaaetanga ki ngā kōwhiringa me ngā mātauranga motuhake. Ā, ka whakaae hoki i te whakauru i ngā raraunga kē, pērā i ngā nūmberi tūtohu me ngā kōrero pūnaha, ka whakatika ai te whakamahi track-and-trace, ka whakatūpū ai te tiaki i te raraunga tuku me te whakahaere i ngā kaiwhakauru.