英文關鍵字
alarm
battling
cold
directed
drops
emergency
equipment
extinguish
extinguisher
extinguishing
fire
firefighter
firefighting
fireman
foam
fountain
grunge
gun
haze
hose
hydrant
industrial
jet
nature
occupation
pistol
pollution
power
pressure
protection
pump
rescue
safety
security
shoot
snow
snowflake
spray
sprinkler
stream
surface
system
technology
texture
tube
wall
wet
white
winter
work