activity
asphalt paving machine
asphalting
bitumen
bituminous
black
builder
building
cone
construction
construction worker
dig
dirty
equipment
gravel
hot
improvement
industrial
industry
job
labor
labourer
maintenance
nobody
object
outdoors
pavement
petroleum
quarry
railroad
repairing
road
roller
shovel
soil
spread
spreading
steam
street
tar
tool
traffic
unloading
urban
work
worker
workforce