aid
alarm
alert
ambulance
attention
background
box
care
case
cross
danger
door
doorway
emergency
escape
evacuation
exit
fire
first
flame
flasher
forbidden
grey
hazard
health
help
hospital
icon
isolated
kit
label
light
medical
medicine
no
pink
police
prohibition
risk
safety
security
set
sign
siren
symbol
warning
white