aluminum
アルミニウム
abstract
alu
background
beautiful
blue
bright
checker
checker plate
checkered
color
colorful
colorful background
cross
design
diamond
floor
gold
gray
grid
illustration
industrial
industry
iron
kind
material
metal
metallic
modern
pattern
plate
produce
rampart
relief
shape
sheet
sheet metal
sheet metal plate
shiny
silver
stainless
steel
surface
texture
tread