action
activity
autobahn
backhoe
bucket
build
bulldozer
construct
construction
development
dig
digger
digging
dumper
engineering
equipment
excavation
excavator
expansion
gear
gravel
heavy
highway
hydraulic
industrial
industry
loader
machinery
massive
mining
move
mover
operate
outdoor
outdoors
quarry
road
roadwork
sand
scoop
shovel
site
surface
tool
transport
transportation
unloading
working
works