Ключевые слова: abstract, background, cable, cabling, closeup, coil, connection, detail, electric, electrical, electricity, electronic, energetic, equipment, facility, fiber, ground, industrial, industry, installation, line, network, parallel, pattern, pipe, plastic, power, protect, protection, pvc, roll, rubber, spool, structure, technical, technology, tube, tubing, underground, urban, volt, voltage, watt, wire,