ban
banner
black
circle
discard
dump
dumping
ecology
environment
figure
forbidden
garbage
hand
icon
illustration
junk
label
litter
man metro
noos
not
notice
person
placard
polite
pollution
prohibition
protection
red
refuse
regulation
restricted
restriction
rubbish
rule
sign
silhouette
stop
symbol
throw
trash
warning
waste
white