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 ?% l+ R9 \' M; v0 A, n" O; \
' {+ G$ H% A2 k$ L3 sAlso what's the difference between current model of Malata Karaoke player compare with earlier models8 q* ~0 f. s: V4 Y) A, W" T
Thanks for help.