Ключевые слова: abstract, alloy, aluminum, background, border, design, dirty, frame, glare, gray, grunge, grungy, hard, industrial, industry, iron, material, metal, metallic, old, paint, pan, pattern, plate, rivet, rivets, rough, rust, rusty, scratch, screw, shine, shiny, sign, stainless, steel, surface, texture, textured, tread, weathered, worn,