Dangane da hanyar aiki, akwai manyan hanyoyi guda shida don tsinke acid da wucewar bakin karfe: Hanyar nutsewa, hanyar manna, hanyar gogewa, hanyar feshi, hanyar kewayawa, da hanyar lantarki.Daga cikin waɗannan, hanyar nutsewa, manna ...
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