I whakapuakina e te Tari Tauhokohoko o Amerika (USDOC) te hua whakamutunga o te tari aukati-tuku (AD)…
Kei roto i te kowiri tira te chromium, e ātete ana ki te waikura i ngā pāmahana teitei. Ka taea e te kowiri tira te tu atu ki ngā taiao waikura, matū rānei nā tōna mata maeneene. He tino ātete ngā hua kowiri tira ki te waikura me te ngenge, ā, he haumaru mō te whakamahinga roa.
He whānuitia te whakamahinga o ngā koiri hurihuri matao a Yieh Corp. Ko te maitai kore waikura i roto i te hanganga, te pokanga, ngā taputapu kīhini, me ētahi atu. He pai te maitai kore waikura 304 mō te hanganga o ngā reera me ngā ringaringa o waho, ā, he pai te tukatuka me te whakarewa. He pai te maitai kore waikura 316 mō ngā mea nui o te kīhini pērā i ngā taputapu, ngā taputapu kai me ngā taputapu tunu kai, he pai te ātete ki te waikura me te whānuitanga o ngā āhua. He pai te maitai kore waikura 316L mō ngā tono hauora me te pokanga e hiahia ana ki te taumata tiketike o te mahi pono.