- CuO,Fe2O3,CO2,FeO.CuO,Fe2O3,CO2,FeO.CuO , Fe _{2} O _{3}, CO _{2}, FeO .
- Fe2O3,CuO,ZnO,Al2O3Fe2O3,CuO,ZnO,Al2O3Fe _{2} O _{3}, CuO , ZnO , Al _{2} O _{3}
- CaO,CO,N2O5,znOCaO , CO , N _{2} O _{5}, znO
- SO2,MgO,CO2,Ag2OSO _{2}, MgO , CO _{2}, Ag _{2} O.