Ключевые слова: abstract, cable, closeup, color, communication, communication concept, concept, conductor, connection, construction, copper, economy, electric, electrical, electrician, electricity, electronic, energy, equipment, finance, flow, golden, growth, idea concept, increase, industrial, industry, line, macro, metal, metallic, money, power, power line, recycling, red, secondary raw materials, shiny, spiral, steel, stock market, supply, swirl, technology, technology background, trade, transmission, wave, wire, wire stretching,