Electri-magnet stove

JCedmonton

Can someone tell me how to use this kind of stove ? Is it true that only works with metallic pots, since the top is flat, I must use flat bottom pots to get larger area of contact ?
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2 p$ _' U. a' h* X5 z) P# g1 b6 O' `Also what's the difference between current model of Malata Karaoke player compare with earlier models
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JCedmonton

Nobody has this kind of experience ?