He mea nui te kākano whakatika pūmau i te mahi whakamahana i te āhua e hiahiatia ana. Ki te whakauru mai, ka taea e ia te whakapai me te whakarite ki ngā āhua rerekē me ngā hanganga, ahakoa te whakatika. Ki runga i tōna kākano wīwītahi, he aha te utu, te rima, rānei, ka taea e koe te whakamahi i a ia me te mōhio. Ko ia te kaiwhakaawe matua mō ngā tohunga, nā te tūmanako i ana whanaketanga me ana pūmautanga mō ngā whakamahi nui o te whenua.