arch
architecture
building
chains
city
color
concrete
danger
dangerous
decay
department
drop
emergency
extinguish
fire
fireman
grass
heavy
hose
hosepipe
hydrant
isolated
lawn
massachusetts
metal
nobody
object
outdoor
outside
pipe
plug
pressure
prevention
protection
public
pump
red
rescue
rural
safety
security
sidewalk
steel
urban
valve
water