Mīhini parau, koko parau, wetekina te oneone, tangohia te koko tarutaru
Ko te koko parau, e mōhiotia ana ko te hea parau, te wāhanga ahuwhenua tino nui kua tāutahia ki te tinana parau, e mōhiotia ana ko ngā "niho" o te parau. E pā tika ana ki te oneone, ā, e mahi ana i ngā mahi nui o te whakaurunga oneone, te tapahi, me te hiki. Ko tōna mahi me tōna kounga ka pā tika ki te whai huatanga me te whai huatanga o te tukanga whakatipu katoa.
E mōhio ana ā mātou parau me ā mātou koko ki te taiao mahi uaua, nō reira ka whai mātou kia tino pai te whiriwhiri rauemi. He mea hanga te hua mai i te maitai puna kounga teitei 65Mn (65 manganese) 60Si2Mn rānei (60 silicon 2 manganese). E mōhiotia whānuitia ana ēnei rauemi e rua i roto i te ao mīhini ahuwhenua mō tō rātou ngāwari me te ātete ki te kakahu.
Hei whakamahi anō i te pūmanawa o ngā rauemi, kua whakauruhia e mātou te hangarau hanga matatau, e tiaki ana i te hanganga muka taketake o te konganuku i te wā o te mahi hanga, kia mātotoru ai te kakano o roto o te koko parau, kia kaha ai te pakari o te pānga, kia taea ai te tu atu i ngā whakamātautau o ngā arai pakeke pērā i ngā toka me ngā pakiaka rākau. I roto i te tukanga maimoatanga wera, i whakamahia e mātou te hangarau tinei isothermal tino tika.
Mā te whakahaere pūmau i ngā tukanga whakamahana me te whakamatao, ka taea te whakahaere i te pakeke o te koko parau kia pumau i roto i te awhe kounga teitei o te HRC 42-48. Mā tēnei pakeke ka tino ātete te koko parau ki te kakahu, ā, ka taea te pupuri i te koi o te mata i roto i te oneone mō te wā roa, ka whakaiti i te ātete ki te kukume o te tarakihana me te penapena wahie.
Mō te hoahoa, he whānuitanga o ngā kōwhiringa e tukuna ana e mātou hei whakatutuki i ngā hiahia ahuwhenua rerekē. Ka hipokina e te raina hua ngā momo hanganga rerekē pērā i ngā parau trapezoidal me ngā parau whao. Mō ngā āhuatanga mahi rerekē, ka taea hoki e mātou te whiriwhiri i ngā otinga ātete-kakahu motuhake, pērā i te whakarewa i ngā pereti koranu mārō ki muri o te koko parau, te whakarato rānei i ngā pito parau matotoru me ngā pānga mata huri-ake pērā i te MARATHON me te OLYMPIC, ka taea te whakaroa i te roa o te mahi a te koko parau neke atu i te 20%.
He tino ataahua hoki te maimoatanga o te mata o tā mātou koko parau, ā, ka taea te peita rehu, te pania paura, te whakakikorua rānei kia rite ki ngā hiahia o te kiritaki hei ārai i te waikura. He tino tika te tā me te whakanoho i ngā kōhao tāutanga kia tino uru ki te pakitara parau me te pou parau, kia pumau ai te hanganga whānui. Ahakoa he parau hurihuri waipēhi mō ngā tarakihana kaha-nui, he parau mātotoru rānei mō te whakahaere mara, ka taea e mātou te whakarato i ngā hua parau me te koko e rite ana te tauira me te pakari hei āwhina i ngā kaiwhakamahi ki te whakatutuki i ngā mahi ahuwhenua whai hua me te iti te utu.
