機器
aged
balloon
broken
cargo
corrosion
crushed
dirty
disposal
dump
environment
environmental
factory
garbage
heap
heavy
industrial
industry
industry scrap
iron
junk
junk yard
junkyard
landfill
metal
metal junk
metals
motorcycle
old
oxygen
pile
pollution
recycle
recycling
recycling center
rubbish
rust
rusted
rusty
scrap
scrap base
scrap metal
scrapyard
stack
steel
steel scrap
trash
waste
yard