Ключевые слова: abstract, aluminium, aluminum, amp, background, bare, business, cable, circuit, close, closeup, conductor, connection, construction, copper, current, electric, electrical, electricity, energy, equipment, generation, grey, high, industrial, industry, insulation, iron, isolated, lead, line, load, metal, metallic, object, power, powerful, section, shiny, silver, steel, supply, technology, transmission, volt, voltage, wire,