Ключевые слова: 3d, alternative, alternator, backup, brick, building, critical, current, device, diesel, distributed, electric, electrical, electricity, emergency, energy, engine, equipment, exhaust, external, failure, fuel, function, gas, gasoline, generation, generator, home, illustration, industrial, industry, line, machine, mechanical, mobile, outage, outdoor, portable, power, red, secondary, service, source, standby, supply, technology, tool, voltage, volts, wall,