abstract
aluminum
backdrop
blank
board
bright
brushed
design
dirty
durable
frame
glossy
grunge
hard
heavy
highlight
illustration
industrial
industry
iron
material
metal
metallic
old
panel
pattern
plate
polished
reflection
rust
screw
sheet
shiny
silver
space
stainless
steel
surface
template
texture
textured
tough
wall
wallpaper