英文關鍵字
accident
alarm
burn
caution
chemical
chemicals
container
danger
dangerous
electrical
emergency
equipment
extinguish
extinguisher
extinguishers
extinguishing
factory
fire
firefighter
flame
flammable
fuel
gas
gasoline
handle
hazard
help
icon
industrial
industry
label
liquid
manufacture
powder
pressure
protect
protection
red
risk
safe
safety
security
smoke
spray
suppression
symbol
tank
tool
urgency
use
warning
white