alloy
aluminium
aluminum
background
blank
bright
brushed
design
durable
empty
floor
grey
grunge
hard
heavy
highlight
industrial
industry
iron
lines
material
metal
metallic
modern
new
old
plate
polished
reflection
reflective
rough
seamless
sheet
shiny
smooth
stainless
steel
strong
style
surface
texture
textured
tile
titanium
tough
wall