機器
abstract
aluminum
aluminum shavings
background
blue
chips
closeup
curly
cut
engineering
environment
fabrication
filings
gray
heap
heavy
industrial
industry
iron
lathe
machinery
manufacture
manufacturing
material
metal
metallic
metalwork
milling
pile
production
recycle
recycling
scrap
sharp
shavings
shine
shiny
silver
spiral
steel
swarf
technology
texture
trash
turning
waste
work
workshop