I roto i te tukanga maimoatanga mata kowiri tira, he tikanga noa ko pickling me passivation.Pickling me passivation o kowiri tira e kore anake hanga te mata omea mahi kowiri tiratitiro atu ātaahua engari hanga ano hoki he kiriata passivation i runga i te mata kowiri tira.Ko tenei kiriata ka aukati i nga tauhohenga matū i waenga i te kowiri tira me nga waahanga whakakino, whakahaora ranei i roto i te rangi, me te whakanui ake i te parenga waikura o nga mea mahi kowiri tira.Heoi, i te mea he waikawa te otinga e whakamahia ana mo te kowiri tira me te whakangao, he aha nga tikanga ka mahia e nga kaiwhakahaere?
Me whai waahi nga kaiwhakahaere ki te whakarite i to raatau haumaru i te wa e mahi ana.
I te wa e whakareri ana i te otinga, ringihia te wairewa kowiri tira me te wairewa whakangao ki roto i te taika mahi kia kore e pakaru ki te kiri.
Whakaorangia te wairewa kowiri tira me te wairewa whakangao ki roto i te waahi hauhautanga, maroke me te hau pai kia kore ai e puta ki te ra tika.
Mena ka pakaru te wairewa kowiri tira ki te kiri o te tangata whakahaere, me horoi tonu ki te wai ma.
Ko nga ipu kua whakamahia kei roto te wairewa pikinga me te wairewa whakangao kia kaua e rukea kia kore ai e poke te taiao me te poke o nga rawa wai.
Wā tuku: Nov-15-2023