英文關鍵字
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911
alarm
assistance
basket
boom
concept
construction
crane
danger
defence
elevation
emergency
engine
equipment
erector
exercise
extinguisher
fire
firefighter
firefighters
firefighting
flame
hazard
height
help
highrise
hydraladder
hydraulic
lifeguards
lifesaver
mechanical
occupation
outdoor
patient
peril
red
rescue
rescuer
safety
service
teachings
truck
vehicle