英文關鍵字
army
building
bulldozer
catastrophe
cement
collapse
concrete
construction
damage
danger
debris
demolish
demolition
destroy
destruction
dig
disaster
drill
dump
dust
earthquake
emergency
equipment
evacuate
evacuation
front
heap
heavy
home
homeland
house
impact
loader
metal
natural
pile
rescue
rubble
ruin
scene
search
security
site
smoke
soldier
steel
stone
team
tornado
tsunami
urban
war