利用する
basket
bin
cardboard
clean
collect
compost
conservation
container
dirty
disposal
dump
dump truck
dust
eco
ecofriendly
ecological
ecology
flat
food
garbage
glass
green
infographic
junk
litter
litter bin
litter sign
littering
man
metal
mind
nature
organic
paper
plastic
pollution
recycle
recycling
refuse
reuse
rubbish
separation
sign
silhouette
sort
symbol
think
thinking
throw
throwing
trash
trash can
truck
urban
utilization
waste