機器
blue
bright
business
construction
crude
derrick
drill
drilling
economy
energy
equipment
exploration
extract
extracting
facility
field
gasoline
industrial
industry
light
lights
mineral
night
oil
oilfield
oilwell
petroleum
pipe
pipeline
platform
production
pump
pumpjack
resource
rig
scene
silhouette
sky
technology
tool
tower
well
work