機器
asphalt
backhoe
break
bucket
build
building
bulldozer
cement
compression
concrete
construction
crushing
day
debris
demolish
demolition
destroy
destruction
dig
dismantling
earthmover
equipment
excavation
excavator
factory
frozen
ground
heavy
huge
implement
industrial
loader
mechanical
metal
old
orange
reconstruction
remains
residential
site
strike
structure
sunny
technology
tool
tractor
winter
work