american
background
building
city
closeup
color
danger
dangerous
daylight
department
emergency
equipment
extinguish
extinguisher
fire
firefighter
fireman
grass
green
hose
hose pipe
hydrant
isolated
lawn
metal
nobody
object
old
outdoor
outside
pipe
plug
pressure
prevention
protection
public
red
rescue
road
safe
safety
security
sidewalk
street
typical
urban
usa
valve
water