Ключевые слова: background, black, central, climate, cold, comfort, control, domestic, element, energy, equipment, heat, heater, heating, home, hot, house, household, icon, illustration, interior, isolated, metal, modern, number, object, pipe, power, radiator, room, sign, steam, symbol, system, technology, temperature, thermal, thermostat, thermostatic, valve, wall, warm, warmth, water, web, white, winter,