arts ba1969 backdrop background collage crafts grunge metal paper rust rustic rusty scrapbook scraps series surface tattered texture torn worn abstract blue feather feathered iron metals old oxide rusted rusting steel structure tecture wheathered yellow bleak brown dark death decay decaying dez pain fill gloomy grungy halloween mottled oxidisation pattern sepia textures ugly urban decay vector xymonau bolt bolts cage grill machine machinery mesh nut nuts Nuts and Bolts weld welded welding abandoned Beached decayed dock docked dry dock dry docked red ship ship building ships shipyard corrode corroded corrosion crack cracked mildew mold paint paint peeling peel wear and tear