機器
abstract
alloy
aluminium
aluminum
background
chrome
closeup
corrugated
detail
diagonal
diamondplate
dirty
durable
floor
grunge
hard
heavy
industrial
industry
iron
ironworks
material
metal
metallic
old
panel
pattern
plate
platinum
reflection
rough
rusty
seamless
shaped
sheet
shiny
smooth
stainless
steel
stepping
strong
surface
texture
textured
tile
tough
truck
wall
wallpaper