Ключевые слова: background, barrel, black, block, blue, box, cable, circle, clamping, clip, coil, color, colour, communications, connect, connection, connector, construction, copper, cord, cordend, crimping, danger, electric, electrical, electrician, electricity, equipment, fiber, green, group, isolated, line, macro, metal, network, node, one, plastic, service, single, singlecore, splice, steel, technology, terminal, tool, white, wire, wired,