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 ? 5 s# H% a! n! G ; X" ?$ W' j# g) L5 C8 MAlso what's the difference between current model of Malata Karaoke player compare with earlier models # o6 G' @" o0 }. s" F' V7 `& HThanks for help.