Ключевые слова: adult, appliance, banknote, bill, cheap, closeup, cold, connection, consumption, control, cost, currency, degree, efficiency, electricity, energy, euro, expensive, fifty, finance, gas, hand, heat, heater, high, holding, home, house, indoors, knob, male, man, measurement, money, number, one, people, person, radiator, rise, save, saving, stuck, technology, temperature, ten, text, thermostat, unrecognizable, valve,