Ключевые слова: background, black, brown, chain, chains, concept, conceptual, connection, construction, eroded, grunge, heavy, hook, hooks, industrial, industry, iron, link, links, marine, metal, metallic, nautical, old, oxide, pattern, rough, rust, rusted, rusty, safe, scratch, secure, space, stability, steel, strength, strong, train, used, weight, yellow,