機器
auger
bore
borehole
building
clay
construction
dig
dirt
dirty
drill
drilling
earth
energy
engineering
equipment
field
foundation
geological
ground
hole
hydraulic
industrial
industry
machinery
mining
natural
oil
outdoor
piles
pipe
platform
power
rig
rope
sand
site
sky
snow
snver
soil
steel
technology
tool
transport
vehicle
well
winter
work