機器
abstract
alloy
aluminum
backdrop
background
brushed
chrome
corrugated
diagonal
effect
feet
floor
grey
gripping
grooved
grunge
heavy
industry
iron
machinery
macro
manufacturing
mesh
metal
metallic
old
pattern
plate
rough
row
scratched
shaped
shiny
shutter
silver
stainless
stamping
steel
stepping
strength
striped
surrounding
texture
textured
tiled
titanium
toughness
wall
wallpaper