Ключевые слова: abstract, attached, background, chain, chrome, close, closeup, color, concept, connect, connection, cooperation, element, hyperlink, illustration, industrial, industry, internet, iron, isolated, link, lock, metal, object, part, partnership, power, pressure, reflection, risk, secure, security, separation, shackle, silver, single, steel, strength, strong, symbol, system, together, togetherness, two, white,