Ключевые слова: account, accounting, appliance, background, bill, billing, budget, business, calculation, calculator, check, concept, consumer, consumption, cost, counter, current, data, device, digital, economy, electric, electrical, electricity, energy, equipment, finance, financial, frame, house, household, indication, industry, kilowatt, kwh, measure, measurement, meter, metering, money, pattern, pay, payment, price, rate, reading, registration, technology, voltage, watt,