aid
alarm
assistance
auto
automobile
background
big
burning
car
danger
department
drive
emergency
engine
equipment
europe
european
fire
firefighter
fireman
firemen
firetruck
front
health
help
hose
isolated
ladder
light
protection
red
render
rescue
response
safety
save
service
siren
speed
squad
transport
transportation
truck
unit
vehicle
water
white
yellow