Kei raro i te kāwanatanga nui o ngā waka whakatō mīhini, he katoa o ngā waka tāngata e whakarite ana hei whakapūmau me te whakawhiwhi i ngā momo mīhini e tētahi atu, ā, ina whai pūtake i te nafta, te diesel, me te mīhini o ngā waka rākau. E rerekē ana ngā wheako me ngā hanganga o ēnei waka ki te tirotiro i ngā hiahia o ngā whenua rerekē me ngā whakamahi. Mai i ngā waka pūoro nui e whakamahi ana i te mīhini nui ki ngā iti ake, e whakarite ana mo te whakahoki mīhini ki runga i te whenua, e whirinaki ana ngā waka whakatō mīhini ki ngā poaka whakapūmau mīhini, ki ngā raraunga pūmotu, me ngā taipū tika. Ko te haumanu he mea nui, ko ngā āhuatanga pērā i ngā poaka rua - kahu, ngā toki pūmotu ā-wāhitanga, me ngā tukanga whakatau i ngā pūtau e whakauru nei ki tō rātou hanga. Kia whai mana ngā waka whakatō mīhini i te mahi tūponotia o ngā whenua e hiahia ana ki te whakahaere i te utu mīhini whakapono, e taea ai e katoa ngā waka, ngā rāhui, me ngā rautaki kia mahi mai iho i te whakaritorito.