Rīpene hononga horoi - whata
Ko te pūnaha horoi tetahi o ngā taputapu haumaru matua o te motuka. Ka taea e ia te tango i ngā pata ua me ngā hukarere i runga i te matapihi i ngā rā hukarere, i ngā rā ua rānei, ā, ka taea hoki e ia te horoi i te wai paru i tauhiuhi ki te matapihi o mua i te wā e taraiwa ana i te huarahi paru, kia pai ai te haumaru o te taraiwa. Ka taea hoki e ia te tirotiro i te huarahi kia pai ai te haumaru o te waka.
Ko te pūnaha horoi o mua he mea hanga nui mai i te huinga ringa horoi o mua, te pūnaha hononga horoi, te horoi, te papu horoi, te tāke rokiroki wai, te paipa whakakī wai, te pūwero, te horoi o mua, me ētahi atu; ko ngā mahi matua ko te waru kotahi-taahiraa, te waru ā-wā, te waru puhoi, te waru tere me te rehu wai me te waru horoi i te wā kotahi. Ko te pūnaha horoi o muri he pūnaha taraiwa motuka, he motuka horoi o muri, he pūwero, he papu horoi, he papu rokiroki wai, he tāke rokiroki wai, he paipa whakakī wai, me te horoi (tae atu ki te papu horoi, te tāke rokiroki wai, te papu whakakī wai me te horoi o mua). he rite tonu) me ētahi atu wāhanga, ko ngā mahi matua ko te waru ā-wā me te rehu wai me te waru horoi i te wā kotahi.
Me tutuki i ngā horoi hau me ngā matapihi ngā whakaritenga e whai ake nei: te tango i te wai me te hukarere; te tango i te paru; ka taea te mahi i te pāmahana teitei (80 nekehanga Celsius) me te pāmahana iti (30 nekehanga Celsius); ka taea te ātete ki te waikawa, te kawakore, te tote me te ozone; ngā whakaritenga auau: me rua. Neke atu i te kotahi te tere, ko tētahi he nui ake i te 45 ngā wā/min, ko tētahi he 10 ki te 55 ngā wā/min. Ā, me nui ake te rerekētanga i waenga i te tere teitei me te tere iti i te 15 ngā wā/min; me whai mahi aukati aunoa; me nui ake te roa o te mahi i te 1.5 miriona huringa; ko te wā ātete poto-porowhita he nui ake i te 15 meneti.