abandoned
abstract
backdrop
background
corrode
corroded
corrosion
corrosive
damage
decay
demolished
distressed
exudate
faded
grain
green
grime
grunge
industrial
iron
layer
metal
metallic
obsolete
old
oxidation
paint
painted
patch
peeled
rough
rust
rusted
rusty
scratch
scratched
shabby
shattered
stains
steel
streaks
surface
texture
vintage
wall
weathered