Ключевые слова: audio, background, cable, coaxial, communication, component, connection, connector, data, digital, electrical, electronic, electronics, engineer, engineering, equipment, hardware, improvement, industrial, industry, input, iron, isolated, jack, labor, maintenance, metal, object, output, panel, plug, plumbing, power, repair, signal, socket, sound, steel, stereo, technology, telecommunication, tool, video, wire,