Ключевые слова: background, bar, bolt, bridge, cable, cables, circuit, clamp, clamping, closed, coaxial cable, concept, connect, connection, contact, danger, earth, earthing, electric, electrical, electrician, electricity, energy, germany, gray, green, ground, grounding, grounding cable, hot dip galvanizing, installation, iron, landscape, line, link, metal, no people, outdoors, plow, protect, protection, railing, rhodium, river, safety, screws, selective focus, steel, system, voltage,