aluminum
background
chrome
construction
corrugated
edge
fence
galvanize
galvanized
gray
grey
grunge
industrial
industry
iron
line
lines
material
metal
metallic
new
panel
pattern
plate
rib
ridge
roof
rough
row
scratched
screw
sheet
silver
stainless
steel
striped
stripes
structure
surface
texture
textured
tiling
tin
vertical
wall
zinc