機器
arm
break
brick
building
bulldozer
business
concept
concrete
construction
contruction site
cracking
crash
debris
deconstruct
demolish
demolishing
demolition
destroy
destruction
dirt
dozer
dusty
equipment
excavator
ground
heavy
house
hydraulic
industrial
industry
ladle
large
machinery
mechanical
mover
new
pollution
pound
rebar
rubbish
rubble
vehicle
wall
work
work site