機器
auger
blue
blure
bore
bored
borehole
build
building
cement
concrete
construction
drill
drilling
driven
driving
earth
earthworks
engineering
environment
equipment
foundation
foundations
ground
hole
hydraulic
industrial
industry
job
machinery
mining
pile
piling
pipe
post
power
preparation
projects
protective
rig
screw
site
sky
soil
steel
technology
vehicle
vertical
work
workers