alert
american
axe
badge
black
company
cross
danger
department
emblem
emergency
equipment
fighter
fire
firefighter
fireman
florian
helmet
hero
hook
hose
hydrant
icon
illustration
label
ladder
maltese
mask
nozzle
object
of
patron
protection
red
rescue
retro
safety
saint
seal
sign
stamp
symbol
tool
truck
uniform
vintage
volunteer
water
weapon
work