英文關鍵字
broken
construction
corroded
corrosion
damaged
destroyed
discarded
dump
dumped
ecology
environment
environmental
factory
garbage
grunge
heap
heavy
industrial
industry
inspect
iron
junk
material
metal
metallic
metalwork
old
outdoors
pieces
pile
pollution
recycle
recycling
refuse
reuse
rubbish
rust
rusted
rusty
scrap
stack
structure
texture
trash
utilize
waste
worker
yard