Ключевые слова: abstract, attached, background, black, burning, chain, close, concept, connect, design, detail, grey, grunge, hard, heap, heavy, industrial, industry, iron, link, linked, loop, metal, object, old, orange, pattern, pile, power, protect, protection, rust, rusting, rusty, safety, secure, security, selective, shape, shiny, space, stainless, steel, strength, stress, strong, symmetry, texture, up, vintage,