機器
abandoned
abstract
aged
aluminum
background
broken
car
corrosion
crane
crushed
dirty
discarded
dump
environment
garbage
heap
heavy
industrial
industry
iron
junk
junkyard
landfill
loading
metal
metals
nobody
old
pattern
pile
pollution
railway
recycle
recycling
rubbish
rust
rusted
rusty
scrap
stack
steel
technology
texture
trash
used
vintage
waste
yard