英文關鍵字
action
activity
asphalt
break
breaker
bucket
builder
bulldozer
concrete
construction
contractor
demolish
demolishing
demolition
destroy
destruction
dig
digger
dust
engine
equipment
excavating
excavation
excavator
ground
heavy
hydraulic
industrial
industry
loader
machine
machinery
mover
old
power
renovation
repair
restoration
road
site
stone
street
tool
vehicle
work