alloy
aluminium
aluminum
antique
background
blank
brush
burnish
design
durable
furbish
futuristic
gray
grunge
hard
heavy
highlight
industrial
industry
iron
material
metal
metallic
modern
new
old
plaque
plate
polish
rough
rust
scrape
sheet
shine
shiny
silver
silvery
smooth
space
stainless
steel
surface
tablet
template
texture
textured
titanium
tough
wall