英文關鍵字
accident
acid
biohazard
biological
cargo
chemical
cistern
civil
contamination
crash
damage
danger
decontamination
department
disaster
elimination
emergency
equipment
explode
extinguish
firefighter
flammable
fuel
gasoline
hazard
helping
lifesaver
oil
petroleum
poisonous
problem
protective
radioactive
railway
rescuer
risk
safety
securing
situation
spray
tank
tanker
threat
toxic
train
training
trouble
urgent
water
worker