Ключевые слова: aluminum, angles, background, battery, benjamin, bimetal, climate, closeup, credit, currency, debt, design, dollars, domestic, element, equipment, finances, flow, franklin, front, heater, hundred, inside, interior, iron, metal, modern, money, one, pipe, portrait, positions, president, profitability, radiator, saving, set, side, system, temperature, thermal, usa, usd, white,