He uaua te tukanga whakamahana o ngā whakarewanga nui?

I te nuinga o te wā, ko te maimoatanga wera o ngā mea nui Te hangaHe maha ngā wā ka honoa te s ki te whakamatao i ngā mea hanga. Nā te mea he nui te rahi o te wāhanga o ngā mea hanga nui, ā, he uaua te tukanga whakaputa. I te wā e whakamahanatia ana, nā te kore taurite o te hanganga moroiti me ngā āhuatanga o ngā mea hanga, ka ngāwari ētahi mea hanga ki ngā hapa ira ma. Nō reira, hei tāpiri atu ki te whakakore i te ahotea me te whakaiti i te pakeke, ko te kaupapa matua o te whakamahanatanga o ngā mea hanga nui ko te aukati i ngā mea hanga mai i te whakaputa ira ma, te whakapai ake i te ōritetanga o te hanganga matū o ngā mea hanga, me te whakatikatika me te whakapai ake i te hanganga moroiti o ngā mea hanga.

Ko ngā ira mā i roto i ngā mea hanga nui he pakarukaru tino angiangi i roto i ngā mea hanga, e whakaatu ana he ira hiriwa-mā porowhita, he porowhita rānei, me te whānui mai i te torutoru mirimita ki te tekau mirimita. Mā te tirotiro kiko moroiti, ka kitea kāore he tohu o te whakarerekētanga kirihou i te rohe tata o ngā ira mā. Nō reira, ka kitea ko ngā ira mā he pakarukaru.

Mena he ira mā kei roto i ngā mea hanga, ehara i te mea ka heke noa iho ngā āhuatanga miihini, engari nā te nui o te ahotea i puta mai i ngā ira mā, ka pakaru ngā wāhanga i te wā e whakamahanatia ana me te tinei, ka pakaru ohorere rānei i te wā e whakamahia ana ngā wāhanga, ā, ka puta hoki he aituā kino ki te mīhini.

Nō reira, he hapa ngā ira mā o ngā mahi hanga. E mārama ana ngā tikanga hangarau o ngā mahi hanga nui, me tango atu ina kitea ngā ira mā. He maha ngā ariā mō te hanganga o ngā ira mā. Ko te tirohanga pumau o nāianei ko ngā ira mā te hua o te mahi tahi a te hauwai i roto i te maitai me te ahotea ā-roto (te nuinga ko te ahotea whakahaere). Ki te kore he nui o te hauwai me te ahotea ā-roto nui, kāore e taea te hanga ira mā.

I te wā e whakamataohia ana i muri i te hanga o ngā hanga, i te hekenga o te pāmahana, nā te huringa o te austenite, me te whakaputa i te ahotea ā-roto (te nuinga ko te ahotea whakahaere) i roto i ngā hanga, ka heke hoki te wairewa o te hauwai i roto i te maitai. I tēnei wā, ka puta ngā nekehanga i ngā rohe o raro i te ahotea ā-roto, ā, ka puta he kapiti iti-mōkito. Ina mimitihia, ka taupatupatu hoki ngā ngota hauwai mai i te wai totoka ki roto i ngā kapiti iti-mōkito, ka whakakotahi ngā ngota hauwai ki roto i ngā kapiti ka puta he pēhanga nui. Nō reira, i roto i ngā wāhi pakarukaru o te rohe he nui te hauwai i roto i te maitai, i raro i te mahi a te ahotea whakahaere me te ahotea taupatupatu hauwai, ka haere tonu te whānui o ngā kapiti iti-mōkito tae noa ki te pakaru, ka puta he kapiti tino kikokore o roto, ā, ka puta he ira mā.

He uaua te tukanga whakamahana i ngā mea hanga nui? Ko ngā kōrero o runga ake nei te kupu whakataki e tika ana mō tēnei. Ko te tumanako ka whai hua ki te katoa.