Ключевые слова: abstract, aluminum, armor, backgrounds, body, bolt, brushed, business, construction, design, dust, elements, frame, gray, grunge, industry, iron, land, machine, machinery, metal, metallic, obsolete, old, part, pattern, plates, protection, protective, rivet, rotting, rough, screw, shadow, shiny, solid, space, steel, sun, surface, tank, texture, textured, titanium, toughness, vehicle, wall, wallpaper,