Ключевые слова: anode, antiquity, artisan, background, broadcasting, business, cathode, closeup, collecting, component, copy space, ecology, electrical equipment, electricity, electronic, electronics industry, emitting, engineering, glass, history, hobby, home decor, illuminated, indoors, industry, inventor, lamp, light, obsolete, radio, radio part, rarity, recycling, retro, retro revival, science, selective focus, technology, television, tube, vacuum, vacuum tube, vintage,