abstract
alloy
aluminum
backdrop
background
brushed
chrome
design
durable
gray
grey
grunge
hard
heavy
highlight
illustration
industrial
industry
iron
material
metal
metallic
modern
new
old
panel
pattern
plate
polished
reflection
rough
sheet
shine
shiny
silver
smooth
space
stainless
steel
strong
style
surface
template
texture
textured
tile
titanium
tough
wall
wallpaper