機器
activity
asphalt
black
blade
city
construction
continuous
contractor
covering
curb
cut
cutter
driver
editorial
equipment
heavy
highway
industrial
industry
job
laying
loading
machinery
maintenance
man
milling
new
occupation
old
pavement
paving
people
power
reconstruction
repair
road
roads
site
special
steam
street
tar
teamwork
tool
truck
vehicle
work
worker
workers