金属産業
abstract
access
aluminium
aluminum
aluminum mill
backgrounds
broken
chrome
close up
closed
closeup
compressed
concept
conservation
curled
curly
cut
cutting
cuttings
damaged
dirty
dump
earth
full frame
garbage
heap
heavy
industry
iron
machined
manufacturing
material
metal
metallic
metalwork
no people
old
pollution
recycling
rough
rusty
rusty metal
scrap metal
sharp
silver
stack
steel
steel shavings
textured