機器
abstract
alu
aluminium
aluminum
aluminum background
aluminum shavings
aluminum texture
backdrop
background
closeup
curly
cut
defocused
filings
garbage
gray
heap
industrial
industry
iron
lathe
machinery
manufacturing
material
metal
metallurgy
metalwork
milling
production
recycle
recycling
scrap
sharp
shavings
shiny
silver
spiral
swarf
technology
texture
textured
turning
wallpaper
white
work
workshop