機器
asphalt
compactor
construct
construction
construction site
contractor
digger
dirt
dump
dump truck
dumper truck
earth
earthworks
engineering
excavate
excavation
excavator
forest
heavy
highway
hydraulic
industrial
industry
landscaping
loader
machinery
maintenance
motorway
mound
mover
outdoors
power shovel
pressure
reconstruction
road
road construction
road works
roller
sand
site
soil
transport
transportation
trees
truck
unload
work
works