Ключевые слова: abstract, analog, background, black, cable, circuit, circuit breaker, coil, component, components, conductor, copper, core, current, device, electric, electric transformer, electrical component, electricity, electromagnet, electronic, energy, equipment, ferrite, grounding, hygiene, industrial, magnet, magnetic, old, orange, part, power, powerful, primary, repair, retro, science, shave, shaver, shaving machine, soviet, technology, transformer, voltage, watt, winding, wire,