英文關鍵字
bare
cable
cables
closeup
conductor
construction
copper
debris
depollution
dirty
disposal
dump
eco
ecology
environment
environmental
expensive
factory
garbage
heap
heavy
industrial
industry
junk
junkyard
lying
material
metal
metallic
nonferrous
plant
pollution
premise
recyclable
recycle
recycling
rubbish
scrap
scraping
scrapyard
trash
waste
wire
wires
yard