activity
asphalt
black
build
cement
city
concrete
construct
construction
danger
demolition
dig
dirt
drill
drilling
drive
equipment
heavy
hole
industrial
industry
iron
jackhammer
job
labor
line
man
material
outdoor
park
pavement
people
professional
put
repair
road
route
rusty
safety
site
street
surface
tool
transportation
under
way
work
worker
workers