機器
abandoned
background
broken
car
crane
damaged
debris
dirty
disposal
dump
ecology
environment
environmental
ferrous
garbage
ground
heap
industrial
industry
iron
isolated
junk
junkyard
material
metal
metallic
metals
nobody
old
parts
pile
pollution
recycle
recycling
refuse
reuse
rubbish
rust
rusted
scarp
scrap
scrap yard
steel
trash
waste
wreckage
yard
yards