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 ? 6 r1 C5 y3 Z2 E$ s 5 r, p( u: V2 T( C; f, x2 XAlso what's the difference between current model of Malata Karaoke player compare with earlier models - l* W; @2 a# {Thanks for help.