英文關鍵字
agricultural
agriculture
arm
building
bulldozer
city
concrete
construction
container
crane
crash
debris
demolish
demolition
destroy
destruction
development
dismantling
dump
equipment
excavator
factory
farm
food
grain
harvest
heavy
house
industrial
industry
machine
machinery
metal
plant
rubble
ruin
silo
site
steel
storage
store
structure
tank
tower
trash
truck
vehicle
warehouse
wheat
work