the iron plate door is rusty

chemical closeuprust coating components corrosion damaged door electrochemicalcell electrolyte erosion extreme flake formation fragile galvaniccell holes house iron metal natural nohuman nopeople noperson object oxidation paint peeledoff peelingpaint plate poison reaction reddishbrown redox reduction rotten rust rusty sheet soluble spontaneous surface temperature texture theironplatebackground uneven wall water weather