alarm
alert
automatic
background
building
burning
business
ceiling
chrome
control
danger
department
detector
district
emergency
equipment
extinguish
extinguisher
extinguishing
fire
flame
hazard
head
heat
house
life
metal
office
order
physical
pressure
protect
protection
residential
retardant
safe
safety
security
sensor
services
smoke
spray
sprinkler
sprinkling
structure
suppression
system
warning
water
white