利用する
environmental
abandoned
bits
broken
chunks
corroded
corroding
corrosion
damaged
dirt
dirty
discarded
disposal
dump
dumped
ecology
environment
garbage
hdr
heap
industrial
industry
iron
junk
junked
junkyard
mess
messy
metal
metallic
nature
pieces
pile
pollution
recycle
recycling
reuse
rubbish
rust
rusted
scrap
scrapiron
scrapyard
trash
ugly
unwanted
waste
yard