Ключевые слова: abstract, background, blank, blinds, business, closed, concept, cover, crack, crisis, design, dirty, door, entrance, folding, front, garage, gate, gray, grunge, horizontal, industrial, industry, line, material, metal, metallic, old, pattern, protection, roll, roller, rust, rustic, rusty, safe, safety, security, sheet, shop, shutter, sliding, steel, store, surface, texture, vignette, wall, wavy, window,