英文關鍵字
aluminium
auto
automobiles
broken
car
cleanup
debris
depollution
dirty
dump
eco
ecology
engines
environment
environmental
garbage
hangar
heaps
heavy
humps
industrial
industry
junkyard
large
lying
metal
mountain
old
parts
plant
pollution
recyclable
recycle
recycling
rim
rubbish
scrap
scraping
scrapyard
steel
trash
waste
wheel