機器
america
argentina
barrel
business
chemical
construction
contamination
countryside
diesel
drilling
ecology
energy
environment
equipment
exploration
extraction
field
flammable
fossil
fuel
gas
gasoline
industry
jack
landscape
mining
oil
oilfield
outdoor
patagonia
petroleum
platform
power
process
production
pump
pumpjack
refinery
resource
rig
sky
summer
tank
technology
tube
well