Ключевые слова: abstract, aged, background, board, brown, circle, closeup, color, concept, connection, construction, corrosion, design, detail, dirty, element, equipment, fastener, head, industrial, industry, iron, metal, metallic, nut, object, old, panel, pattern, plank, plate, rough, round, rust, rusty, scratch, screw, silver, solid, stack, steel, surface, texture, top, vintage, work,