activity
bucket
bulldozer
construction
development
dig
digger
digging
earth
environment
equipment
excavate
excavation
excavator
extract
geology
granite
gravel
ground
heavy
industrial
industry
iron
landscape
lift
loading
machine sous
machinery
mechanism
mine
mineral
mining
mountain
mover
ore
pile
pit
power
quarry
rock
sand
shovel
stone
technology
transport cologique
transportation
truck
vehicle
work