black brown color feel fire insects metal nature rust textures tree wood cog cogs machine mechanic mechanical rusty texture thing turn wheel decay grunge old paint peeled red scratched wall weathered door handle lock oxide padlock shape abstract background design gray plate silver urban backdrop colored colors dark grungy jazza boat cargo depth Nyberg scale ship transport vessel weight aged aging chemical corroded corrosion damage damaged dirty distressed ferrous frame industrial industry iron metallic oxidation peel peeling pitted reaction retro rough rusted scrap stain stained steel weathering direction directionboat lost manuever propeller rudder Rudderless sailboat stern