Ko te tāke wai o te motuka, e mōhiotia ana ko te radiator, he wāhanga matua o te pūnaha whakamatao o te motuka. Ko tana mahi he tuku wera. Ka mimiti te wai whakamatao i te wera i roto i te koti. I muri i te rere ki te radiator, ka memeha te wera, kātahi ka hoki ki te koti hei whakatika i te pāmahana. He wāhanga hanganga o te miihini motuka.
He wāhanga nui te tāke wai o te mīhini whakamatao wai. Hei wāhanga nui o te ara iahiko whakamatao o te mīhini whakamatao wai, ka taea e ia te mimiti i te wera o te poraka rango me te karo i te wera nui o te mīhini. Nā te nui ake o te kaha wera motuhake o te wai, kāore te mīhini e piki ake te pāmahana i muri i te mimiti i te wera mai i te poraka rango. Nō reira, ka haere te wera o te mīhini mā te porowhita wai o te wai whakamatao, me te āwhina o te wai hei kaikawe wera, kātahi ka mā roto i te wera whakawhiti o te rohe nui o ngā tara, hei pupuri i te pāmahana mahi tika o te mīhini.
He whero te wai i roto i te tāke o te motuka: He whero te tae o te tāke o te motuka, ā, me tāpiri he wai?
Ko te wai whakamatao e whakamahia ana i ēnei rā e whakawhirinaki ana ki te pH. He whero, he kakariki hoki. Ina huri te wai i roto i te tāke ki te whero, ko te nuinga he waikura iti. Kāore he āhuatanga motuhake, kāore he take ki te tāpiri wai noa. Nā te mea he tote, he taketake, he waikawa rānei te wai noa. Te mahi whakapūmau hinu whakahinuhinu o te tāke. Kōwhiria he wai whakamatao me ngā uara pH rerekē e ai ki ngā rauemi tāke rerekē. He teitei ake te kukū o te wai whakamatao i te wai noa. Ko te pae tio o te wai e whakawhirinaki ana ki tōna kukū. Ko Wang Dong-yan te mahi horoi i te tāke. Nō reira, kāore i te tūtohutia kia tāpirihia he wai.
