environmental
bin
bio
black
bottle
box
can
cap
cleaning
cleanup
closed
collect
color
colorful
cover
discard
disposal
dump
dustbin
earth
ecology
empty
environment
garbage
object
open
paper
plastic
pollution
protect
recycle
recycling
refuse
reuse
row
rubbish
save
single
social
space
storing
symbol
throw
trash
trashcan
urban
vertical
wall
waste
wheel
window