Ключевые слова: accounting, background, bank, banknote, battery, cash, climate, closeup, colour, comfort, commerce, concept, control, currency, domestic, economy, energy, euro, expense, finance, handle, heat, heating, home, house, investment, modern, money, object, optimize, pay, piggy, pink, pressure, radiator, regulator, room, save, savings, system, temperature, thermal, thermometer, thermostat, wall, warm, white, winter,