機器
asphalt
break
breaker
build
bulldozer
compression
concrete
construction
destroy
dig
digger
dirty
drill
drilling
dust
equipment
excavate
excavation
excavator
grungy
hammer
heavy
heavyduty
hydraulic
hydraulic breakers
impact
industrial
industry
jack
jackhammer
machinery
mechanical
metal
old
pneumatic
power
repair
road
rock
site
technology
tool
used
vehicle
weathered
work
worker
yellow