abstract
aluminum
broken
corrosion
crushed
dirty
discarded
disposal
dump
dumped
ecology
environment
environmental
environmentally
garbage
heap
industrial
industry
iron
junk
junk yard
junkyard
landfill
material
metal
metallic
old
pile
pipe
pollution
raw
recycle
recycling
resource
rubbish
rust
rusted
rusty
scrap
scrapyard
stack
steel
texture
trash
waste
yard