abstract
alloy
aluminum
backdrop
background
border
bright
choppy
chrome
crumpled
damaged
dark
design
deteriorated
foil
galvanized
gray
grunge
grungy
hard
image
industrial
industry
ingot
iron
light
lines
material
metal
metallic
old
paint
pattern
plate
reflection
rock
rugged
ruined
scrap
shadow
shine
shiny
silver
steel
stone
texture
tin
wall
wrinkled