利用する
boxes
business
cardboard
carton
collection
conservation
corrugated
cover
discard
disposal
dispose
eco
ecological
ecology
economy
environment
environmental
environmentally
garbage
global
industrial
industry
management
manufacturing
material
natural
old
packaging
paper
pile
plant
pollution
protection
recycle
recycled
recycling
reduce
refuse
resource
reuse
rubbish
stacked
trash
used
waste
wastepaper