利用する
environmental
art
bag
box
carton
cartoon
clean
collection
concept
cup
disposal
dump
eco
ecological
ecology
environment
flat
garbage
household
icon
illustration
isolated
junk
litter
management
milk
newspaper
pack
package
paper
pollution
recycle
recycling
refuse
reuse
rubbish
separation
service
set
sign
sort
sorting
stack
symbol
trash
urban
utilization
waste