機器
activity
architecture
break
brick
broken
bucket
building
bulldozer
city
concrete
construction
damage
danger
debris
demolish
demolished
demolishing
demolition
destroy
destruction
devastation
development
digger
dismantling
disposal
dust
equipment
excavation
excavator
garbage
heavy
house
hydraulic
industrial
industry
machinery
old
remove
rubble
ruin
site
stone
structure
trash
urban
vehicle
wall
waste
work