機器
activity
asphalt
bitumen
blacktop
builder
compactor
construction
drive
equipment
fix
heavy
helmet
highway
hole
hot
improvement
industrial
industry
job
laying
machinery
maintenance
man
patch
pave
pavement
paver
paving
person
pressure
renewal
repair
repairing
residential
road
roadwork
roller
safety
site
steam
tar
traffic
transportation
truck
urban
vehicle
vibration
work
worker