Ключевые слова: 100, 500, accommodating, atmosphere, bank, bank notes, banking, bulb, business, cash, cfl, cloud, compact, conservation, conserve, consumption, credits, currency, dole, ecology, economic, efficiency, efficient, electrical, electricity, electronic, energy, energy conscious, energy efficiency, energysaving, environment, euro, finance, flow, investment, money, paper, power saving, records, settlement, wealth,