alarm
alert
allowed
attention
badge
ban
button
camera
cameras
caution
cell
circle
do not
forbid
forbidden
hazard
icon
illegal
illustration
information
isolated
label
museum
no
not
phones
photo
photocamera
photograph
photographer
photographing
prohibited
prohibition
protection
red
regulation
rejected
restrict
restricted
restriction
risk
rule
sign
stop
symbol
tourism
video
warning