英文關鍵字
action
asphalt
background
break
breaker
build
builder
building
city
concrete
construction
crack
crash
crusher
crushing
demolition
destroy
destruction
dig
dismantling
drill
dust
equipment
excavator
hammer
heavy
hydraulic
industrial
industry
jackhammer
job
machine
machinery
maintenance
pavement
pneumatic
power
pressure
rebuilding
reconstruction
repair
road
site
street
tool
tractor
urban
vehicle
work
worker