英文關鍵字
black
business
construction
crude
derrick
diesel
drill
drilling
energy
environment
equipment
exploration
facility
fossil
fuel
gas
gasoline
generation
industrial
industry
jack
lever
machine
moving
natural
nobody
oil
orange
petroleum
pipe
pipeline
plant
platform
pollution
power
pump
rig
rocking
silhouette
sky
sun
sunrise
sunset
technology
unit
well