abstract
aged
antique
attrition
backdrop
background
battered
brass
brassy
castle
copper
cover
cuprum
dint
dirty
faded
ferruginous
grunge
grungy
material
metal
metallic
natural
old
pattern
pliers
retro
rough
rufous
rumpled
rusty
scratches
shabby
skin
space
spotted
stain
steel
streaks
structure
surface
texture
tool
traces
uneven
vintage
wallpapers
weathered
wire cutters
wrench