Potassium bromate, sekuwedzera kwehupfu, yakashandiswa zvakanyanya mukugadzira hupfu.Iine mabasa maviri, imwe yewhite-rich, imwe yekunamira kuvirisa, iyo inogona kuita kuti chingwa chive chakapfava uye chiwedzere kunaka.Nekudaro, masayendisiti kubva kuJapan, Britain neAmerica vakawana ...
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