alarm
alert
america
american
axe
badge
banner
brigade
bus
car
cross
danger
department
emblem
emergency
engine
equipment
fire
firefighter
fireman
firetruck
flag
health
helmet
hook
label
ladder
line
maltese
medical
nozzle
paper
patriot
patriotism
reach
red
rescue
sign
state
states
symbol
thin
tool
traditional
united
usa
vehicle
warning
water