alert
allowed
attention
background
ban
banner
bin
caution
danger
drop
entry
forbid
forbidden
garbage
graphic
icon
illegal
illustration
information
isolated
label
man
mobile
no
not
notice
person
phone
photo
pictogram
placard
prohibited
prohibition
red
regulation
restricted
restriction
rule
safety
sign
silhouette
sticker
stop
symbol
throw
warning
white
zone