Ключевые слова: abstract, background, banner, central, climate, cold, color, colorful, comfort, control, domestic, element, energy, equipment, fluid, heat, heater, heating, home, hot, house, household, icon, illustration, interior, isolated, liquid, metal, modern, number, object, pipe, power, radiator, room, shape, steam, symbol, system, technology, temperature, thermal, thermostat, valve, wall, warm, warmth, water, winter,