allowed
background
ban
bicycle
black
cigarette
circle
danger
design
emergency
entry
evacuation
exit
forbid
forbidden
graphic
icon
illegal
illustration
information
isolated
line
mark
mobile phone
no
open frame
parking
photograph
pictogram
pram
prohibit
prohibited
prohibition
red
restrict
restriction
restrictive
risk
rubbish
safety
safety sign
sign
smoking
sos
stop
symbol
warning
white