英文關鍵字
board
bond
bunch
bundle
cardboard
carton
closeup
ecology
garbage
material
mixedpaper
motion
nobody
noone
nopeople
old
packaging
packing
paper
paperboard
paste
pasteboard
pile
recycling
reduction
reprocessing
resource
rope
rubbish
scrap
sheaf
stack
stock
stratum
trash
waste
wrapper
wrapping