機器
explosion
accident
brick
broken
bucket
building
buildings
bulldozer
collapse
concrete
construction
damage
danger
debris
demolish
demolished
demolishing
demolition
destroy
destruction
devastation
dig
dirt
disaster
dismantling
dump
dust
earthquake
equipment
excavation
excavator
ground
heavy
hydraulic
industrial
industry
loader
machinery
metal
mover
pile
rubble
ruin
scrap
site
structure
vehicle
waste
wreck