Ngā mara tono o ngā koranu motuhake i roto i te umanga mīhini kai:
He whānuitia te whakamahinga o ngā rauemi maha i roto i ngā mīhini me ngā taputapu kai. Haunga ngā rauemi whakarewa me ngā rauemi koranu, kei reira anō te rakau, te kōhatu, te emery, te uku, te enamel, te karāhe, ngā kakahu me ngā momo rauemi hanga waro. He tino uaua ngā āhuatanga hangarau o te hanga kai, ā, he rerekē ngā whakaritenga mō ngā rauemi. Mā te mōhio ki ngā āhuatanga rerekē o ngā rauemi ka taea e tātou te whiriwhiri tika me te whakatau tika kia pai ai te whakamahinga me ngā painga ōhanga.
I roto i te tukanga whakaputa, ka pā ngā mīhini me ngā taputapu kai ki ngā momo pāpāho i raro i ngā āhuatanga rerekē. Hei ārai i te poke o te kai i roto i ēnei whakapā, me te whakarite kia roa te whakamahinga o ngā taputapu, he nui te aro ki te whakamahinga o ngā rauemi mīhini kai. Nā te mea e pā ana ki te haumaru o te kai me te hauora o te tangata.
Ngā rauemi koranu motuhake e whakamahia whānuitia ana i roto i te umanga kai:
Kowiri tira: 316LN, 317L, 317LMN, 254SMO, 904L, me ētahi atu
Ngā koranu e hangai ana ki te nikara: Incoloy800HT, Incoloy825, Nikara 201, N6, Nikara 200, me ētahi atu
Koranu ātete waikura: Incoloy 800H