機器
asphalt
being
bitumen
builder
city
compactor
compress
concrete
construction
crushed
danger
diesel
equipment
excavator
flat
gravel
heavy
highway
icon
icons
industry
land
machinery
maintenance
making
paving
pressure
pushing
repair
road
rolled
roller
safety
set
side
slow
smooth
soil
steamroller
street
surface
transportation
truck
vehicle
vibrating
view
work
worker