Ключевые слова: alternative, appliance, banknote, battery, cash, cell, classification, clean, closeup, concept, conservation, consumerism, eco, ecological, ecology, economize, economy, efficiency, electric, electrical, electricity, energy, environment, environmental, environmentally, equipment, euro, female, friendly, generation, green, hand, living, money, panel, power, recycle, renewable, reuse, save, saving, solar, source, supply, sustainability, sustainable, turbine, wind, windmill, woman,