Heating, steam producing, and cooking devices, in particular, cooking, baking, frying, grilling, toasting, thawing, and hot-keeping apparatus, namely, domestic cooking ovens, electric and gas ranges, cooktops, immersion heaters, cooking pots with integrated heating, in particular, electric cooking pots, microwave appliances, in particular, microwave ovens, food warming drawers, tea and coffee making apparatus, namely, coffee makers and electric tea pots; cooling devices, namely, refrigerators...