Ключевые слова: alternative, background, banking, bill, budget, cable, coin, component, concept, conservation, consumerism, cut, effective, efficiency, efficient, electric, electrical, energy, environment, environmental, equipment, finance, high, idea, indoors, inside, investment, light, money, nobody, pig, piggybank, pin, planning, plug, power, price, profit, reflection, saving, socket, supply, tech, technology, unplugged,