aluminum
アルミニウム
abstract
alloy
background
bright
brushed
button
circle
circular
concentric
design
durable
element
gray
grey
industrial
industry
iron
light
material
metal
metallic
plate
polished
realistic
reflection
round
sheet
shiny
silver
smooth
stainless
steel
strong
surface
symbol
technology
texture
textured
tile
titan
wallpaper