機器
activity
asian
asphalt
background
break
builder
building
concrete
construction
demolish
demolition
destroy
destruction
drill
electric
equipment
excavator
hammer
hand
hard
heavy
if you
industrial
industry
jackhammer
job
labor day
machinery
maintenance
man
outdoor
patching
pavement
paving
people
person
pneumatic
power
removal
remove
repair
road
roadworks
street
technology
tool
urban
work
worker