Ключевые слова: abandoned, abstract, aged, alloy, background, backgrounds, black, bolt, bright, brushed, circle, color, construction, coupling, cover, crack, damaged, destroyed, detail, dirty, fastener, frame, green, grille, grunge, hard, heavy, industrial, industry, instrument, iron, machine, macro, material, metal, metallic, military, mottled, nut, obsolete, old, paint, painting, panel, part, past, pattern, plate, rivet, rough, ruined, scrap, screw, seam, sheet, stain, stainless, steampunk, steel, surface, tank, technology, texture, valve, vehicle, vintage, weathered,