Nā te mea kāore i te tino ōrite te kaha o te pākahiko, te ātete ā-roto, te ngaohiko me ētahi atu uara tawhā, ka ngāwari te utaina me te tuku i te pākahiko iti rawa i te wā e utaina ana, ā, ka iti haere te kaha o te pākahiko iti rawa i muri i te pakaru, ka uru ki tētahi huringa kino. Ka pā tika te mahi a te pākahiko kotahi ki ngā āhuatanga utu me te tukunga o te pākahiko katoa me te whakahekenga o te kaha o te pākahiko. Ko te mahi BMS kāore he taurite he mea kohikohi raraunga noa iho, ehara i te pūnaha whakahaere. Ka taea e te mahi whakataurite kaha BMS te whakatutuki i te tere tonu mōrahi.
1A whakatauriteiahiko. Whakawhitihia te pākahiko kotahi kaha-nui ki te pākahiko kotahi kaha-iti, whakamahia rānei te rōpū katoa o te kaha hei tāpiri i te pākahiko kotahi iti rawa. I te wā o te tukanga whakatinanatanga, ka tohatohahia anō te kaha mā te hononga rokiroki kaha, kia tino rite ai te pākahiko ki te whānuitanga nui, kia pai ake ai te roa o te ora o te pākahiko, kia whakaroa ai hoki i te koroheketanga o te pākahiko.