access
admission
allowed
area
authorized
background
ban
caution
danger
denied
do
enter
entrance
entry
forbidden
human
icon
illustration
keep
label
man
no
not
notice
only
people
permission
permit
person
personal
personnel
pictogram
prohibited
prohibition
protection
red
restricted
restriction
safety
security
sign
staff
sticker
stop
symbol
trespassing
warning
white
zone