abstract
art
backdrop
background
brown
color
construction
corroded
corrosion
damaged
dark
decay
design
dirty
effect
faded
fracture
green
grunge
grungy
industrial
industry
iron
line
macro
material
messy
metal
metallic
old
orange
oxidation
oxidized
paint
pattern
plate
red
rough
rust
rustic
rusty
stain
steel
surface
texture
textured
vintage
wall
weathered