allowed
bag
ban
banner
basket
bin
button
can
clean
discard
do
dont
drop
dump
dumping
environment
figure
forbidden
garbage
hand
icon
illustration
keep
label
litter
littering
man
no
park
people
person
pollution
prohibited
recycle
red
refuse
restriction
rubbish
rule
sign
stamp
sticker
symbol
throw
throwing
trash
warning
waste
white