金属産業
abstract
aerospace industry
backgrounds
blank
brass
business
chrome
copy space
curled up
cutting
cuttings
electronics industry
engineering
equipment
filings
garbage
group of objects
heap
industrial objects
industry
iron
lathe
manufacturing
metal
metal chips
metal cuttings
metallic
metalwork
milling
obsolete
part of
recycling
recycling center
shards
sharp
shavings
shiny
silver
spiral
spiraled
steel
swarf
swirl
technology
textured
titanium
torn
turning
twisted