Ключевые слова: alternative, apartment, bad, bill, blackout, budget, business, cable, chaos, climate, connection, cord, cost, crisis, current, dark, debt, device, disaster, distribution, ecology, efficiency, electricity, energy, engineering, environment, equipment, expensive, global, home, industry, infrastructure, liechtenstein, money, object, pay, plug, power, price, risk, save, service, shut down, socket, supply, technology, vaduz, voltage, warming, wire,