background
bag
bin
blue
bottle
can
clean
collection
color
concept
container
different
disposal
dump
dustbin
eco
ecological
ecology
empty
environment
environmental
female
garbage
glass
green
hand
household
industry
litter
metal
nature
object
outdoor
paper
people
plastic
pollution
recycle
recycling
refuse
reuse
rubbish
separation
sort
sorting
throwing
trash
waste
yellow
zero