65Mn maitai konupora tinei hama maikuku kakau witi ahuwhenua mīhini hurihuri mata
Ko te maikuku hama o ngā mīhini ahuwhenua te wāhanga matua o ngā mīhini kuru me te whakahoki kakau witi, ngā mīhini kuru tarutaru me ētahi atu mīhini ahuwhenua. He mea hanga i te nuinga o te wā ki te maitai koranu kaha-teitei (pēnei i te 65Mn, 27MnB5, me ētahi atu) he mea whakarewa tika, he mea tā rānei, me te pakeke e whakahaeretia ana i waenga i te 42-48 HRC hei whakarite i tōna ātete ki te kakahu me te ātete pānga. He ahurei tōna hoahoa, he rite ki ngā niho hama, ki ngā niho maikuku rānei, e wehea ana kia rua ngā wāhanga: te pito tāutanga me te pito mahi. Ka mau te pito tāutanga ki te kakau hama o te rakau mata hurihuri mā roto i ngā pūtu, i ngā hanganga hono rānei, ko te pito mahi he niho mahi koi kotahi, neke atu rānei.
I te wā mahi kāinga, ka huri te maikuku hama i te tere teitei tae atu ki te 50 mita ia hekona me te kakau o te mata, ka kuru pai i te kakau witi hua pērā i te kānga, te witi, te sorghum, me ētahi atu mā te kaha o te pānga, te tapahi, me te mahi tahi me te mata pumau i roto i te anga mīhini. Hei whakarei ake i te roa, he maha ngā maikuku hama ka whakapirihia ki ngā paparanga ātete-kakahu, ka whakauruhia rānei ki ngā mata maitai koranu kaha-teitei ki te mata tapahi o ngā niho mahi hei whakaroa i tō rātou roa mahi. Hei tāpiri, kei te mākete anō hoki ngā hoahoa auaha pērā i ngā niho maikuku rua-taha, e āhei ai te kaiwhakamahi ki te whakamahi tonu i muri i te whakarerekētanga o te ahunga i muri i te kakahu o tetahi taha, ka whakaiti nui i te utu whakamahi. Ko ngā maikuku hama kounga teitei he taputapu matua hei whakarite i te kounga o te kuru kakau witi me te whakaiti i te whakapaunga pūngao miihini.
Ko te maikuku hama o ngā mīhini ahuwhenua te wāhanga matua o ngā mīhini kuru me te whakahoki kakau witi me ngā mīhini hurihuri, he āhua rite ki te pane hama, ki te maikuku rānei. Ka kuru, ka tapahia, ka whiua hoki te kakau witi o ngā hua pērā i te kānga me te miro e tū tika ana, e whakatakotoria ana rānei ki te mara mā te whakaputa i te kaha pānga mā te huri tere me ngā mīhini. Ko ngā maikuku hama kounga teitei ka hangaia mai i te maitai konupora nui, i te maitai koranu ātete-kakahu rānei mā roto i ngā tukanga maimoatanga wera motuhake, me te tino pakeke me te ātete-kakahu. Ka taea e rātou te mahi mō ngā wā roa i roto i ngā taiao mara uaua, kia pai ai te kuru me te whai hua o te mahi.
