機器
backhoe
big
blocks
bulldozer
clearingup
construction
contractor
demolitions
destructions
development
dig
digger
dozer
equipment
excavate
excavation
excavator
extracted
extraction
grader
gravel
ground
heavy
huge
hydraulic
industry
job
large
loader
machinery
material
mine
pit
quarry
quarrying
resource
roadworks
rough
scoop
slab
soil
stone
stonepit
stonequarry
vehicle
work