機器
action
automobile
barrel
big
business
car
construction
control panel
crude oil
drill
drilling
drilling pipe
drilling rig
drills
earth
engine
engineering
environment
equipment
exploration
fuel
geological
geologist
geology
geotechnical
geothermal
geothermal energy
grass
ground
hard work
helmet
industrial
industry
job
male
man
oil field
orange
real
rig
safety
sampling
summer
sun
technology
testing
truck
work
worker