Ko te rīhi, tētahi o ngā taputapu mātai tawhito rawa me te takotoranga matua, kua whanake ki tētahi whānau nekeneke o ngā taputapu, ko ia momo e pai ana mō ngā whakamahinga āhuatanga, ngā kōwae hua, me ngā taumata pono. He mea nui te mārama ki ngā momo rīhi rerekē hei whiriwhiri i te aronga tika mō tētahi mahi hangarua. I te taumata takitahi kei ngā rīhi inihini ā-ringa, e here ana i te kaimahi hei whakahaere i te ara taputapu; ka whakawhitia mō te mahi taputapu, te tiaki, me te hanga tuatahi kōwae iti pea nā te āhua maru me te utu iti ake i te timatanga. Kātahi ka puta te aronga rorohiko ka wātea ai ngā rīhi CNC, e whakahaere aunoa ana i te tikanga mātai mō te wehenga pai ake, te pono, me te uara. I roto i te akomanga CNC, e noho ana ētahi momo matapuna. Ko te rīhi CNC 2-ahua he karuwhenua mō te hua kōwae nui, e mahi ana i ngā mahi pērā i te toronga, te āhua, me te ruawa. Mō ngā wāhanga e hiahiatia ana kia toronga atu, whakaingoatia rānei ngā wāhanga pūrere, ka whakamahia ngā rīhi CNC ki ngā taputapu ora me te ahua C; ka taea e ēnei pokapū "mill-turn" te mahi i ngā mahi toronga me te ruawa i runga i te wāhanga porotaka, ka penapena wa tīmatanga. Ko ngā rīhi aunoatia momo Swiss, i.e., ngā rīhi upoko tōpere, he matapuna mō te hanga i ngā wāhanga iti, herenga, me ngā wāhanga roa me ngā paerewa tino tata; ko te pouaka arataki e tuku ana i te tautoko tino nui tata ki te taputapu kitenga, ka iti noa te pānga. Ko ngā rīhi pūpahi auta (VTLs) me ngā pokapū toronga auta (VTCs) i hangaia mō ngā wāhanga nui, taumaha hoki, i reira e takoto ana te pūpahi i te ahu whenua, ā, ka tū ake ngā taputapu kitenga i runga, ka whakamāma ngā wāhi uta, ka tuku i te tautoko pai. Whakamutunga, ko ngā taputapu maha-mahinga e tohu ana i te taumata teitei o te aronga rīhi, e uru mai ana ngā whaitua toronga me te kitenga katoa, ā, he nui ake i te upoko kotahi me ngā pūpahi, kia mutu anō h evena ngā wāhanga herenga i tētahi wāhi anake, i tētahi tīmatanga "done-in-one". Ko te whiriwhiri i te momo rīhi tika he whakataunga ārai e pā ana tika ki te uara o te hua, ki te kounga o te wāhanga, me te utu hangarua.
Kua rite kē te kapa hokohoko mātua ki te āwhina i a koe.