bright
city
closeup
color
connection
connector
coupling
danger
emergency
equipment
extinguish
faucet
fire
fire hose
fire hydrant
hose
hose pipe
hydrant
industrial
industry
metal
object
outdoor
outside
pipe
piping
plastic
plug
pressure
pressurized
prevention
protection
public
pump
red
road
sign
steel
summer
sunlight
sunset
tube
typical
urban
valve
warning
water
white
yellow
yellow hose