Ключевые слова: alternative, alternator, backup, conditioner, current, device, diesel, electric, electrical, electricity, emergency, energy, engine, equipment, external, fuel, gasoline, generation, generator, heavy, industrial, industry, large, machine, mechanical, mobile technology, motor, nobody, outdoor, portable, power, power generator, powerful, powerplant, protected, safety, secondary, service, source, stack, standby, supply, support, technology, ups, volt, voltage, yard,