機器
background
block
break
breaker
bulldozer
concrete
construction
curb
demolition
destroy
dig
digger
dirt
drilling
edging
equipment
excavation
excavator
ground
guide
hammer
heavy
hydraulic
industrial
industry
installation
isolated
kerb
machinery
manual
old
pavement
pothole
power
rebuilding
repair
replacement
road
rock
shovel
sidewalk
site
steel
street
tool
tractor
vehicle
work
worker