Ключевые слова: abstract, architecture, background, barrier, bolt, border, channeled, coating, construct, construction, corrugate, corrugated, crumple, crumpled, emboss, fence, galvanize, galvanized, garage, gofer, gray, grid, groove, hardware, industrial, industry, iron, material, metal, metallic, nail, oxidation, panel, pattern, plate, rolled, roof, sheet, silver, stained, steel, striped, surface, texture, urban, vertical, wallpaper, wavy, zinc,