英文關鍵字
aged
background
brown
brush
construction
copper
corrosion
corrosive
crack
damaged
dark
design
detail
dirty
frame
grunge
hand
heavy
industrial
industry
iron
material
metal
metallic
nature
old
oxide
oxidized
paint
pattern
pipe
plate
protection
red
rough
rust
rusted
rusty
sheet
stain
steel
structure
surface
tasty
texture
vintage
wallpaper
weathered
worn