... roasting oven, shawarma machine, water heater, refrigerator, crepte maker, pizza oven etc. Here we can make a room ... hot dog machine, donut machine, water boiler, soyabean milk machine, shawarma machine, popcorn machine, candy floss machine, icecream machine, ice maker ... , refrigerator, chiller, warm showcase, sausage maker etc. You can use outer electricity ...