aluminum
アルミニウム
alloy
art
backdrop
background
bar
barrier
beware
board
border
construction
danger
frame
gold
golden
gray
hazard
industrial
industry
iron
ironworks
layout
line
menu
metal
metallic
old
panel
pattern
plaque
plate
road
safety
sheet
sign
silver
square
steel
stick
string
stripe
striped
surface
symbol
table
tablet
texture
under
vintage
wall
warning
yellow