Kamar yadda muka sani, don simintin ƙarfe na enamle na simintin ƙarfe, kusan duk abokan ciniki suna buƙatar rahoton gwajin aminci na abinci.Misali, FDA ROhs Ca65 Extractable 23 nauyi karafa Extractable nauyi karfe (Pb, Cd), da dai sauransu Wasu daga cikin masana'anta ba zai iya isa da ake bukata, don haka kawai suna amfani da musamman magani ga th ...
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