英文關鍵字
alarm
alert
building
burn
caution
control
danger
detector
emergency
equipment
escape
evacuation
extinguish
extinguisher
fire
firefighter
gauge
guard
guards
heat
helmet
industrial
industry
person
pipeline
precaution
pressure
prevent
prevention
protect
protection
pump
purpose
red
rescue
risk
safety
security
service
smoke
sprinkler
staff
system
technician
technology
training
used
valve
warning
watercourse