background
brown
cardboard
carton
corrugated
disposable
disposal
earth
eco
ecological
ecology
environment
environmental
friendly
garbage
group
heap
industry
isolated
junk
kraft
many
material
nobody
object
old
organic
packaging
paper
pieces
pile
pollution
protect
protection
recyclable
recycle
recycling
reduce
refuse
reusable
reuse
rubbish
sheets
sorting
stack
trash
utilization
waste
white
zero