Ключевые слова: abstract, alloy, aluminum, background, banner, blank, board, components, construction, design, element, flanges, frame, gray, grunge, hard, heavy, industrial, industry, iron, layout, line, material, mechanic, metal, metallic, old, panel, part, pattern, plate, rivets, rough, sheet, silver, stainless, steel, stripe, strong, surface, template, texture, wall,