aged
antique
backdrop
background
brown
closeup
color
colour
construction
corroded
corrosion
design
detail
dirty
ferric
ferrous
grunge
grungy
heavy
industrial
industry
iron
joint
late
material
metal
metallic
old
orange
oxide
oxidized
pattern
rivet
riveted
rough
rust
rusted
rusty
sheet
steel
surface
texture
textured
vintage
weathered
worn