機器
action
activity
asphalt
asphalting
blue
building
cement
clouds
construct
construction
dirt
dump
dumper
dumping
dumptruck
earth
earthworks
equipment
excavation
gravel
ground
heap
heavy
industrial
industry
interstate
lorry
machinery
moving
pavement
paving
pouring
road
roadworks
sand
site
soil
street
tip
tipper
traffic
transport
transportation
truck
trucking
unload
vehicle
work