abstract
aged
ancient
background
brown
damaged
decay
decayed
design
dirty
effect
faded
grain
grate
grating
grime
grunge
industrial
industry
iron
material
messy
metal
metallic
obsolete
old
orange
oxidate
pattern
plate
ragged
rough
rust
rusted
rusty
scratched
spot
stain
stained
steel
surface
texture
textured
tile
vintage
wall