3d
911
alarm
ambulance
assistance
button
call
center
communication
computer
concept
crash
crime
danger
dial
dialing
dispatch center
distress
emergency
emergency agency
emergency telephone number
fire
firefighting
first aid
help
hospital
hot
key
keyboard
medical
number
police
psap
public
publicsafety
redemption
render
rescue
response
safety
salvage
saving
service
signal
sos
support
tel
telephone
urgency
wood