Kei te tuku ngā kōnata tāngata mō ngā take ā-wheako e hiahia ana ki te whakamahi i ngā raru me ngā wai kararehe. E toru ngā momo kōnata e taea ai te whakarite i ngā huringa kawe. Kei reira ngā kōnata tūmatawhānui ISO hei whakamahi mō ngā huarahi noa, nō reira ngā uma takapau, ngā kōnata paihere, rānei ngā kōnata whakahēkina i te kōwhiri. E āhei ana ngā materia o roto i ngā kōnata nei ki te whakamahi i te porohita moana ki te whakatika i ngā raru, ā, kei runga anō hoki i ngā materia hēenga hei whakamahere i ngā kōnata āhua hapori. Ka tukuna ngā kōnata tāngata ki ngā pakihi kia whiwhi haere i te mana whakahaere i a rātou ō rātau rautaki logistikihana, ka taea te whakatutuki me te whakahaere pai o ngā mahi. Ko te hanga o ngā hokoanga ko te tautoko i muri i te hoko, ina whakaaweawe i ngā pūtake whakahaere me ngā pūtake tuatahi, hei whakatika i te whakatupuranga o ngā kōnata i hokona.