Ключевые слова: background, bond, chain, chained, close, closeup, color, concept, conceptual, connect, connection, detail, equipment, fetter, freedom, green, heavy, idea, image, industry, isolated, join, line, link, lock, metal, object, pink, plastic, power, red, ring, robust, row, secure, security, series, shackle, shape, shiny, steel, still, strong, symbol, together, tool, unite, yellow,