... with wave radiator, uninsulated type with wave radiator, insulated type with inserted foil radiator, insulated type with comb radiator.Heater with fan: insulated type with fan, uninsulated type with ... than the curie temperature very much, with air blowing;Convecting type.1)Heating power ... is posible; the power is direct radio with temperature difference (ΔT = switch temperature-ambient temperature ...