abstract
backdrop
background
battered
black
brick
brown
closeup
construction
copper
corrode
corroded
corrosion
damage
damaged
dark
design
dirty
empty
grunge
grungy
heavy
industrial
industry
iron
material
messy
metal
metallic
obsolete
old
oxidation
paint
patter
pattern
pipe
red
retro
rough
rust
rusted
rustic
rusty
scrap
steel
surface
texture
textured
wall
weathered