機器
activity
asphalt
asphalting
bagger
bitumen
blacktopping
building
bulldozer
compactor
construction
curb
earthmover
equipment
excavator
finisher
heavy
highway
industry
infrastructure
loader
machinery
marking
overpass
paving
pebbles
pressure
renewal
repair
road
roadworks
roll
roller
runner
sand
site
sky
stones
tracked
transportation
truck
tyred
vehicle
wheel
work
worker
workers