Ключевые слова: abstract, aluminum, background, black, cable, circle, closeup, communication, computer, connect, connection, data, design, electric, electrical, electricity, energy, grey, grid, hole, industrial, industry, iron, isolated, metal, metallic, pattern, perforated, plastic, plate, plug, port, power, round, sheet, silver, steel, supply, surface, technology, texture, textured, transfer, usb, wall, white, wire,