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 ? - o. G0 J+ ? v l% v8 U$ p 8 p/ L9 v" B4 X/ _. ~Also what's the difference between current model of Malata Karaoke player compare with earlier models / [0 u: B" {) M9 B6 yThanks for help.