Rotel U1542CH Mode D'emploi page 66

o Never use metal utensils in the microwave with the
microwave or the combination function, or even
containers/dishes with metal parts or trims (e.g.
gold edges on plates or wire clips). This will damage
the appliance.
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Gebrauchsanweisung ○ Mode d'emploi ○ Istruzioni per l'uso ○ Instruction for use